add comment explaining no need for solutions (#37227)

curriculum/challenges/english/06-information-security-and-quality-assurance/advanced-node-and-express/announce-new-users.english.md

@@ -57,7 +57,11 @@ tests:
 <section id='solution'>
 
 ```js
-// solution required
+/**
+  Backend challenges don't need solutions, 
+  because they would need to be tested against a full working project. 
+  Please check our contributing guidelines to learn more.
+*/
 ```
 
 </section>

curriculum/challenges/english/06-information-security-and-quality-assurance/advanced-node-and-express/authentication-strategies.english.md

@@ -59,7 +59,11 @@ tests:
 <section id='solution'>
 
 ```js
-// solution required
+/**
+  Backend challenges don't need solutions, 
+  because they would need to be tested against a full working project. 
+  Please check our contributing guidelines to learn more.
+*/
 ```
 
 </section>

curriculum/challenges/english/06-information-security-and-quality-assurance/advanced-node-and-express/authentication-with-socket.io.english.md

@@ -56,7 +56,11 @@ tests:
 <section id='solution'>
 
 ```js
-// solution required
+/**
+  Backend challenges don't need solutions, 
+  because they would need to be tested against a full working project. 
+  Please check our contributing guidelines to learn more.
+*/
 ```
 
 </section>

curriculum/challenges/english/06-information-security-and-quality-assurance/advanced-node-and-express/clean-up-your-project-with-modules.english.md

@@ -52,7 +52,11 @@ tests:
 <section id='solution'>
 
 ```js
-// solution required
+/**
+  Backend challenges don't need solutions, 
+  because they would need to be tested against a full working project. 
+  Please check our contributing guidelines to learn more.
+*/
 ```
 
 </section>

curriculum/challenges/english/06-information-security-and-quality-assurance/advanced-node-and-express/communicate-by-emitting.english.md

@@ -54,7 +54,11 @@ tests:
 <section id='solution'>
 
 ```js
-// solution required
+/**
+  Backend challenges don't need solutions, 
+  because they would need to be tested against a full working project. 
+  Please check our contributing guidelines to learn more.
+*/
 ```
 
 </section>

curriculum/challenges/english/06-information-security-and-quality-assurance/advanced-node-and-express/create-new-middleware.english.md

@@ -61,7 +61,11 @@ tests:
 <section id='solution'>
 
 ```js
-// solution required
+/**
+  Backend challenges don't need solutions, 
+  because they would need to be tested against a full working project. 
+  Please check our contributing guidelines to learn more.
+*/
 ```
 
 </section>

curriculum/challenges/english/06-information-security-and-quality-assurance/advanced-node-and-express/handle-a-disconnect.english.md

@@ -43,7 +43,11 @@ tests:
 <section id='solution'>
 
 ```js
-// solution required
+/**
+  Backend challenges don't need solutions, 
+  because they would need to be tested against a full working project. 
+  Please check our contributing guidelines to learn more.
+*/
 ```
 
 </section>

curriculum/challenges/english/06-information-security-and-quality-assurance/advanced-node-and-express/hashing-your-passwords.english.md

@@ -43,7 +43,11 @@ tests:
 <section id='solution'>
 
 ```js
-// solution required
+/**
+  Backend challenges don't need solutions, 
+  because they would need to be tested against a full working project. 
+  Please check our contributing guidelines to learn more.
+*/
 ```
 
 </section>

curriculum/challenges/english/06-information-security-and-quality-assurance/advanced-node-and-express/how-to-put-a-profile-together.english.md

@@ -40,7 +40,11 @@ tests:
 <section id='solution'>
 
 ```js
-// solution required
+/**
+  Backend challenges don't need solutions, 
+  because they would need to be tested against a full working project. 
+  Please check our contributing guidelines to learn more.
+*/
 ```
 
 </section>

curriculum/challenges/english/06-information-security-and-quality-assurance/advanced-node-and-express/how-to-use-passport-strategies.english.md

@@ -44,7 +44,11 @@ tests:
 <section id='solution'>
 
 ```js
-// solution required
+/**
+  Backend challenges don't need solutions, 
+  because they would need to be tested against a full working project. 
+  Please check our contributing guidelines to learn more.
+*/
 ```
 
 </section>

curriculum/challenges/english/06-information-security-and-quality-assurance/advanced-node-and-express/implement-the-serialization-of-a-passport-user.english.md

@@ -56,7 +56,11 @@ tests:
 <section id='solution'>
 
 ```js
-// solution required
+/**
+  Backend challenges don't need solutions, 
+  because they would need to be tested against a full working project. 
+  Please check our contributing guidelines to learn more.
+*/
 ```
 
 </section>

curriculum/challenges/english/06-information-security-and-quality-assurance/advanced-node-and-express/implementation-of-social-authentication-ii.english.md

@@ -59,7 +59,11 @@ tests:
 <section id='solution'>
 
 ```js
-// solution required
+/**
+  Backend challenges don't need solutions, 
+  because they would need to be tested against a full working project. 
+  Please check our contributing guidelines to learn more.
+*/
 ```
 
 </section>

curriculum/challenges/english/06-information-security-and-quality-assurance/advanced-node-and-express/implementation-of-social-authentication-iii.english.md

@@ -63,7 +63,11 @@ tests:
 <section id='solution'>
 
 ```js
-// solution required
+/**
+  Backend challenges don't need solutions, 
+  because they would need to be tested against a full working project. 
+  Please check our contributing guidelines to learn more.
+*/
 ```
 
 </section>

curriculum/challenges/english/06-information-security-and-quality-assurance/advanced-node-and-express/implementation-of-social-authentication.english.md

@@ -52,7 +52,11 @@ tests:
 <section id='solution'>
 
 ```js
-// solution required
+/**
+  Backend challenges don't need solutions, 
+  because they would need to be tested against a full working project. 
+  Please check our contributing guidelines to learn more.
+*/
 ```
 
 </section>

curriculum/challenges/english/06-information-security-and-quality-assurance/advanced-node-and-express/logging-a-user-out.english.md

@@ -60,7 +60,11 @@ tests:
 <section id='solution'>
 
 ```js
-// solution required
+/**
+  Backend challenges don't need solutions, 
+  because they would need to be tested against a full working project. 
+  Please check our contributing guidelines to learn more.
+*/
 ```
 
 </section>

curriculum/challenges/english/06-information-security-and-quality-assurance/advanced-node-and-express/registration-of-new-users.english.md

@@ -80,7 +80,11 @@ tests:
 <section id='solution'>
 
 ```js
-// solution required
+/**
+  Backend challenges don't need solutions, 
+  because they would need to be tested against a full working project. 
+  Please check our contributing guidelines to learn more.
+*/
 ```
 
 </section>

curriculum/challenges/english/06-information-security-and-quality-assurance/advanced-node-and-express/send-and-display-chat-messages.english.md

@@ -43,7 +43,11 @@ tests:
 <section id='solution'>
 
 ```js
-// solution required
+/**
+  Backend challenges don't need solutions, 
+  because they would need to be tested against a full working project. 
+  Please check our contributing guidelines to learn more.
+*/
 ```
 
 </section>

curriculum/challenges/english/06-information-security-and-quality-assurance/advanced-node-and-express/serialization-of-a-user-object.english.md

@@ -62,7 +62,11 @@ tests:
 <section id='solution'>
 
 ```js
-// solution required
+/**
+  Backend challenges don't need solutions, 
+  because they would need to be tested against a full working project. 
+  Please check our contributing guidelines to learn more.
+*/
 ```
 
 </section>

curriculum/challenges/english/06-information-security-and-quality-assurance/advanced-node-and-express/set-up-a-template-engine.english.md

@@ -45,7 +45,11 @@ tests:
 <section id='solution'>
 
 ```js
-// solution required
+/**
+  Backend challenges don't need solutions, 
+  because they would need to be tested against a full working project. 
+  Please check our contributing guidelines to learn more.
+*/
 ```
 
 </section>

curriculum/challenges/english/06-information-security-and-quality-assurance/advanced-node-and-express/set-up-passport.english.md

@@ -58,7 +58,11 @@ tests:
 <section id='solution'>
 
 ```js
-// solution required
+/**
+  Backend challenges don't need solutions, 
+  because they would need to be tested against a full working project. 
+  Please check our contributing guidelines to learn more.
+*/
 ```
 
 </section>

curriculum/challenges/english/06-information-security-and-quality-assurance/advanced-node-and-express/set-up-the-environment.english.md

@@ -63,7 +63,11 @@ tests:
 <section id='solution'>
 
 ```js
-// solution required
+/**
+  Backend challenges don't need solutions, 
+  because they would need to be tested against a full working project. 
+  Please check our contributing guidelines to learn more.
+*/
 ```
 
 </section>

curriculum/challenges/english/06-information-security-and-quality-assurance/advanced-node-and-express/use-a-template-engines-powers.english.md

@@ -43,7 +43,11 @@ tests:
 <section id='solution'>
 
 ```js
-// solution required
+/**
+  Backend challenges don't need solutions, 
+  because they would need to be tested against a full working project. 
+  Please check our contributing guidelines to learn more.
+*/
 ```
 
 </section>

curriculum/challenges/english/06-information-security-and-quality-assurance/information-security-and-quality-assurance-projects/anonymous-message-board.english.md

@@ -61,7 +61,11 @@ tests:
 <section id='solution'>
 
 ```js
-// solution required
+/**
+  Backend challenges don't need solutions, 
+  because they would need to be tested against a full working project. 
+  Please check our contributing guidelines to learn more.
+*/
 ```
 
 </section>

curriculum/challenges/english/06-information-security-and-quality-assurance/information-security-and-quality-assurance-projects/issue-tracker.english.md

@@ -53,7 +53,11 @@ tests:
 <section id='solution'>
 
 ```js
-// solution required
+/**
+  Backend challenges don't need solutions, 
+  because they would need to be tested against a full working project. 
+  Please check our contributing guidelines to learn more.
+*/
 ```
 
 </section>

curriculum/challenges/english/06-information-security-and-quality-assurance/information-security-and-quality-assurance-projects/metric-imperial-converter.english.md

@@ -63,7 +63,11 @@ tests:
 <section id='solution'>
 
 ```js
-// solution required
+/**
+  Backend challenges don't need solutions, 
+  because they would need to be tested against a full working project. 
+  Please check our contributing guidelines to learn more.
+*/
 ```
 
 </section>

curriculum/challenges/english/06-information-security-and-quality-assurance/information-security-and-quality-assurance-projects/personal-library.english.md

@@ -57,7 +57,11 @@ tests:
 <section id='solution'>
 
 ```js
-// solution required
+/**
+  Backend challenges don't need solutions, 
+  because they would need to be tested against a full working project. 
+  Please check our contributing guidelines to learn more.
+*/
 ```
 
 </section>

curriculum/challenges/english/06-information-security-and-quality-assurance/information-security-and-quality-assurance-projects/stock-price-checker.english.md

@@ -52,7 +52,11 @@ tests:
 <section id='solution'>
 
 ```js
-// solution required
+/**
+  Backend challenges don't need solutions, 
+  because they would need to be tested against a full working project. 
+  Please check our contributing guidelines to learn more.
+*/
 ```
 
 </section>

curriculum/challenges/english/06-information-security-and-quality-assurance/information-security-with-helmetjs/ask-browsers-to-access-your-site-via-https-only-with-helmet.hsts.english.md

@@ -40,7 +40,11 @@ tests:
 <section id='solution'>
 
 ```js
-// solution required
+/**
+  Backend challenges don't need solutions, 
+  because they would need to be tested against a full working project. 
+  Please check our contributing guidelines to learn more.
+*/
 ```
 
 </section>

curriculum/challenges/english/06-information-security-and-quality-assurance/information-security-with-helmetjs/avoid-inferring-the-response-mime-type-with-helmet.nosniff.english.md

@@ -37,7 +37,11 @@ tests:
 <section id='solution'>
 
 ```js
-// solution required
+/**
+  Backend challenges don't need solutions, 
+  because they would need to be tested against a full working project. 
+  Please check our contributing guidelines to learn more.
+*/
 ```
 
 </section>

curriculum/challenges/english/06-information-security-and-quality-assurance/information-security-with-helmetjs/configure-helmet-using-the-parent-helmet-middleware.english.md

@@ -55,7 +55,11 @@ tests:
 <section id='solution'>
 
 ```js
-// solution required
+/**
+  Backend challenges don't need solutions, 
+  because they would need to be tested against a full working project. 
+  Please check our contributing guidelines to learn more.
+*/
 ```
 
 </section>

curriculum/challenges/english/06-information-security-and-quality-assurance/information-security-with-helmetjs/disable-client-side-caching-with-helmet.nocache.english.md

@@ -37,7 +37,11 @@ tests:
 <section id='solution'>
 
 ```js
-// solution required
+/**
+  Backend challenges don't need solutions, 
+  because they would need to be tested against a full working project. 
+  Please check our contributing guidelines to learn more.
+*/
 ```
 
 </section>

curriculum/challenges/english/06-information-security-and-quality-assurance/information-security-with-helmetjs/disable-dns-prefetching-with-helmet.dnsprefetchcontrol.english.md

@@ -37,7 +37,11 @@ tests:
 <section id='solution'>
 
 ```js
-// solution required
+/**
+  Backend challenges don't need solutions, 
+  because they would need to be tested against a full working project. 
+  Please check our contributing guidelines to learn more.
+*/
 ```
 
 </section>

curriculum/challenges/english/06-information-security-and-quality-assurance/information-security-with-helmetjs/hash-and-compare-passwords-asynchronously.english.md

@@ -66,7 +66,11 @@ tests:
 <section id='solution'>
 
 ```js
-// solution required
+/**
+  Backend challenges don't need solutions, 
+  because they would need to be tested against a full working project. 
+  Please check our contributing guidelines to learn more.
+*/
 ```
 
 </section>

curriculum/challenges/english/06-information-security-and-quality-assurance/information-security-with-helmetjs/hash-and-compare-passwords-synchronously.english.md

@@ -51,7 +51,11 @@ tests:
 <section id='solution'>
 
 ```js
-// solution required
+/**
+  Backend challenges don't need solutions, 
+  because they would need to be tested against a full working project. 
+  Please check our contributing guidelines to learn more.
+*/
 ```
 
 </section>

curriculum/challenges/english/06-information-security-and-quality-assurance/information-security-with-helmetjs/hide-potentially-dangerous-information-using-helmet.hidepoweredby.english.md

@@ -37,7 +37,11 @@ tests:
 <section id='solution'>
 
 ```js
-// solution required
+/**
+  Backend challenges don't need solutions, 
+  because they would need to be tested against a full working project. 
+  Please check our contributing guidelines to learn more.
+*/
 ```
 
 </section>

curriculum/challenges/english/06-information-security-and-quality-assurance/information-security-with-helmetjs/install-and-require-helmet.english.md

@@ -37,7 +37,11 @@ tests:
 <section id='solution'>
 
 ```js
-// solution required
+/**
+  Backend challenges don't need solutions, 
+  because they would need to be tested against a full working project. 
+  Please check our contributing guidelines to learn more.
+*/
 ```
 
 </section>

curriculum/challenges/english/06-information-security-and-quality-assurance/information-security-with-helmetjs/mitigate-the-risk-of-clickjacking-with-helmet.frameguard.english.md

@@ -40,7 +40,11 @@ tests:
 <section id='solution'>
 
 ```js
-// solution required
+/**
+  Backend challenges don't need solutions, 
+  because they would need to be tested against a full working project. 
+  Please check our contributing guidelines to learn more.
+*/
 ```
 
 </section>

curriculum/challenges/english/06-information-security-and-quality-assurance/information-security-with-helmetjs/mitigate-the-risk-of-cross-site-scripting-xss-attacks-with-helmet.xssfilter.english.md

@@ -41,7 +41,11 @@ tests:
 <section id='solution'>
 
 ```js
-// solution required
+/**
+  Backend challenges don't need solutions, 
+  because they would need to be tested against a full working project. 
+  Please check our contributing guidelines to learn more.
+*/
 ```
 
 </section>

curriculum/challenges/english/06-information-security-and-quality-assurance/information-security-with-helmetjs/prevent-ie-from-opening-untrusted-html-with-helmet.ienoopen.english.md

@@ -37,7 +37,11 @@ tests:
 <section id='solution'>
 
 ```js
-// solution required
+/**
+  Backend challenges don't need solutions, 
+  because they would need to be tested against a full working project. 
+  Please check our contributing guidelines to learn more.
+*/
 ```
 
 </section>

curriculum/challenges/english/06-information-security-and-quality-assurance/information-security-with-helmetjs/set-a-content-security-policy-with-helmet.contentsecuritypolicy.english.md

@@ -41,7 +41,11 @@ tests:
 <section id='solution'>
 
 ```js
-// solution required
+/**
+  Backend challenges don't need solutions, 
+  because they would need to be tested against a full working project. 
+  Please check our contributing guidelines to learn more.
+*/
 ```
 
 </section>

curriculum/challenges/english/06-information-security-and-quality-assurance/information-security-with-helmetjs/understand-bcrypt-hashes.english.md

@@ -41,7 +41,11 @@ tests:
 <section id='solution'>
 
 ```js
-// solution required
+/**
+  Backend challenges don't need solutions, 
+  because they would need to be tested against a full working project. 
+  Please check our contributing guidelines to learn more.
+*/
 ```
 
 </section>

curriculum/challenges/english/06-information-security-and-quality-assurance/quality-assurance-and-testing-with-chai/assert-deep-equality-with-.deepequal-and-.notdeepequal.english.md

@@ -42,7 +42,11 @@ tests:
 <section id='solution'>
 
 ```js
-// solution required
+/**
+  Backend challenges don't need solutions, 
+  because they would need to be tested against a full working project. 
+  Please check our contributing guidelines to learn more.
+*/
 ```
 
 </section>

curriculum/challenges/english/06-information-security-and-quality-assurance/quality-assurance-and-testing-with-chai/compare-the-properties-of-two-elements.english.md

@@ -45,7 +45,11 @@ tests:
 <section id='solution'>
 
 ```js
-// solution required
+/**
+  Backend challenges don't need solutions, 
+  because they would need to be tested against a full working project. 
+  Please check our contributing guidelines to learn more.
+*/
 ```
 
 </section>

curriculum/challenges/english/06-information-security-and-quality-assurance/quality-assurance-and-testing-with-chai/learn-how-javascript-assertions-work.english.md

@@ -41,7 +41,11 @@ tests:
 <section id='solution'>
 
 ```js
-// solution required
+/**
+  Backend challenges don't need solutions, 
+  because they would need to be tested against a full working project. 
+  Please check our contributing guidelines to learn more.
+*/
 ```
 
 </section>

curriculum/challenges/english/06-information-security-and-quality-assurance/quality-assurance-and-testing-with-chai/run-functional-tests-on-an-api-response-using-chai-http-iii---put-method.english.md

@@ -73,7 +73,11 @@ tests:
 <section id='solution'>
 
 ```js
-// solution required
+/**
+  Backend challenges don't need solutions, 
+  because they would need to be tested against a full working project. 
+  Please check our contributing guidelines to learn more.
+*/
 ```
 
 </section>

curriculum/challenges/english/06-information-security-and-quality-assurance/quality-assurance-and-testing-with-chai/run-functional-tests-on-an-api-response-using-chai-http-iv---put-method.english.md

@@ -56,7 +56,11 @@ tests:
 <section id='solution'>
 
 ```js
-// solution required
+/**
+  Backend challenges don't need solutions, 
+  because they would need to be tested against a full working project. 
+  Please check our contributing guidelines to learn more.
+*/
 ```
 
 </section>

curriculum/challenges/english/06-information-security-and-quality-assurance/quality-assurance-and-testing-with-chai/run-functional-tests-on-api-endpoints-using-chai-http-ii.english.md

@@ -42,7 +42,11 @@ tests:
 <section id='solution'>
 
 ```js
-// solution required
+/**
+  Backend challenges don't need solutions, 
+  because they would need to be tested against a full working project. 
+  Please check our contributing guidelines to learn more.
+*/
 ```
 
 </section>

curriculum/challenges/english/06-information-security-and-quality-assurance/quality-assurance-and-testing-with-chai/run-functional-tests-on-api-endpoints-using-chai-http.english.md

@@ -42,7 +42,11 @@ tests:
 <section id='solution'>
 
 ```js
-// solution required
+/**
+  Backend challenges don't need solutions, 
+  because they would need to be tested against a full working project. 
+  Please check our contributing guidelines to learn more.
+*/
 ```
 
 </section>

curriculum/challenges/english/06-information-security-and-quality-assurance/quality-assurance-and-testing-with-chai/run-functional-tests-using-a-headless-browser-ii.english.md

@@ -46,7 +46,11 @@ tests:
 <section id='solution'>
 
 ```js
-// solution required
+/**
+  Backend challenges don't need solutions, 
+  because they would need to be tested against a full working project. 
+  Please check our contributing guidelines to learn more.
+*/
 ```
 
 </section>

curriculum/challenges/english/06-information-security-and-quality-assurance/quality-assurance-and-testing-with-chai/run-functional-tests-using-a-headless-browser.english.md

@@ -48,7 +48,11 @@ tests:
 <section id='solution'>
 
 ```js
-// solution required
+/**
+  Backend challenges don't need solutions, 
+  because they would need to be tested against a full working project. 
+  Please check our contributing guidelines to learn more.
+*/
 ```
 
 </section>

curriculum/challenges/english/06-information-security-and-quality-assurance/quality-assurance-and-testing-with-chai/test-for-truthiness.english.md

@@ -53,7 +53,11 @@ tests:
 <section id='solution'>
 
 ```js
-// solution required
+/**
+  Backend challenges don't need solutions, 
+  because they would need to be tested against a full working project. 
+  Please check our contributing guidelines to learn more.
+*/
 ```
 
 </section>

curriculum/challenges/english/06-information-security-and-quality-assurance/quality-assurance-and-testing-with-chai/test-if-a-string-contains-a-substring.english.md

@@ -45,7 +45,11 @@ tests:
 <section id='solution'>
 
 ```js
-// solution required
+/**
+  Backend challenges don't need solutions, 
+  because they would need to be tested against a full working project. 
+  Please check our contributing guidelines to learn more.
+*/
 ```
 
 </section>

curriculum/challenges/english/06-information-security-and-quality-assurance/quality-assurance-and-testing-with-chai/test-if-a-value-falls-within-a-specific-range.english.md

@@ -44,7 +44,11 @@ tests:
 <section id='solution'>
 
 ```js
-// solution required
+/**
+  Backend challenges don't need solutions, 
+  because they would need to be tested against a full working project. 
+  Please check our contributing guidelines to learn more.
+*/
 ```
 
 </section>

curriculum/challenges/english/06-information-security-and-quality-assurance/quality-assurance-and-testing-with-chai/test-if-a-value-is-a-string.english.md

@@ -43,7 +43,11 @@ tests:
 <section id='solution'>
 
 ```js
-// solution required
+/**
+  Backend challenges don't need solutions, 
+  because they would need to be tested against a full working project. 
+  Please check our contributing guidelines to learn more.
+*/
 ```
 
 </section>

curriculum/challenges/english/06-information-security-and-quality-assurance/quality-assurance-and-testing-with-chai/test-if-a-value-is-an-array.english.md

@@ -40,7 +40,11 @@ tests:
 <section id='solution'>
 
 ```js
-// solution required
+/**
+  Backend challenges don't need solutions, 
+  because they would need to be tested against a full working project. 
+  Please check our contributing guidelines to learn more.
+*/
 ```
 
 </section>

curriculum/challenges/english/06-information-security-and-quality-assurance/quality-assurance-and-testing-with-chai/test-if-a-value-is-of-a-specific-data-structure-type.english.md

@@ -48,7 +48,11 @@ tests:
 <section id='solution'>
 
 ```js
-// solution required
+/**
+  Backend challenges don't need solutions, 
+  because they would need to be tested against a full working project. 
+  Please check our contributing guidelines to learn more.
+*/
 ```
 
 </section>

curriculum/challenges/english/06-information-security-and-quality-assurance/quality-assurance-and-testing-with-chai/test-if-a-variable-or-function-is-defined.english.md

@@ -43,7 +43,11 @@ tests:
 <section id='solution'>
 
 ```js
-// solution required
+/**
+  Backend challenges don't need solutions, 
+  because they would need to be tested against a full working project. 
+  Please check our contributing guidelines to learn more.
+*/
 ```
 
 </section>

curriculum/challenges/english/06-information-security-and-quality-assurance/quality-assurance-and-testing-with-chai/test-if-an-array-contains-an-item.english.md

@@ -40,7 +40,11 @@ tests:
 <section id='solution'>
 
 ```js
-// solution required
+/**
+  Backend challenges don't need solutions, 
+  because they would need to be tested against a full working project. 
+  Please check our contributing guidelines to learn more.
+*/
 ```
 
 </section>

curriculum/challenges/english/06-information-security-and-quality-assurance/quality-assurance-and-testing-with-chai/test-if-an-object-has-a-property.english.md

@@ -44,7 +44,11 @@ tests:
 <section id='solution'>
 
 ```js
-// solution required
+/**
+  Backend challenges don't need solutions, 
+  because they would need to be tested against a full working project. 
+  Please check our contributing guidelines to learn more.
+*/
 ```
 
 </section>

curriculum/challenges/english/06-information-security-and-quality-assurance/quality-assurance-and-testing-with-chai/test-if-an-object-is-an-instance-of-a-constructor.english.md

@@ -46,7 +46,11 @@ tests:
 <section id='solution'>
 
 ```js
-// solution required
+/**
+  Backend challenges don't need solutions, 
+  because they would need to be tested against a full working project. 
+  Please check our contributing guidelines to learn more.
+*/
 ```
 
 </section>

curriculum/challenges/english/06-information-security-and-quality-assurance/quality-assurance-and-testing-with-chai/test-if-one-value-is-below-or-at-least-as-large-as-another.english.md

@@ -45,7 +45,11 @@ tests:
 <section id='solution'>
 
 ```js
-// solution required
+/**
+  Backend challenges don't need solutions, 
+  because they would need to be tested against a full working project. 
+  Please check our contributing guidelines to learn more.
+*/
 ```
 
 </section>

curriculum/challenges/english/06-information-security-and-quality-assurance/quality-assurance-and-testing-with-chai/use-assert.isok-and-assert.isnotok.english.md

@@ -48,7 +48,11 @@ tests:
 <section id='solution'>
 
 ```js
-// solution required
+/**
+  Backend challenges don't need solutions, 
+  because they would need to be tested against a full working project. 
+  Please check our contributing guidelines to learn more.
+*/
 ```
 
 </section>

curriculum/challenges/english/06-information-security-and-quality-assurance/quality-assurance-and-testing-with-chai/use-regular-expressions-to-test-a-string.english.md

@@ -42,7 +42,11 @@ tests:
 <section id='solution'>
 
 ```js
-// solution required
+/**
+  Backend challenges don't need solutions, 
+  because they would need to be tested against a full working project. 
+  Please check our contributing guidelines to learn more.
+*/
 ```
 
 </section>

curriculum/challenges/english/06-information-security-and-quality-assurance/quality-assurance-and-testing-with-chai/use-the-double-equals-to-assert-equality.english.md

@@ -46,7 +46,11 @@ tests:
 <section id='solution'>
 
 ```js
-// solution required
+/**
+  Backend challenges don't need solutions, 
+  because they would need to be tested against a full working project. 
+  Please check our contributing guidelines to learn more.
+*/
 ```
 
 </section>

curriculum/challenges/english/06-information-security-and-quality-assurance/quality-assurance-and-testing-with-chai/use-the-triple-equals-to-assert-strict-equality.english.md

@@ -46,7 +46,11 @@ tests:
 <section id='solution'>
 
 ```js
-// solution required
+/**
+  Backend challenges don't need solutions, 
+  because they would need to be tested against a full working project. 
+  Please check our contributing guidelines to learn more.
+*/
 ```
 
 </section>