chore(tools): tests in a docker container

curriculum/test/test-challenges.js

@@ -108,8 +108,15 @@ async function runTests() {
         logLevel: 0
       });
       browser = await puppeteer.launch({
-        args: ['--no-sandbox']
-        // dumpio: true
+        args: [
+          // Required for Docker version of Puppeteer
+          '--no-sandbox',
+          '--disable-setuid-sandbox',
+          // This will write shared memory files into /tmp instead of /dev/shm,
+          // because Docker’s default for /dev/shm is 64MB
+          '--disable-dev-shm-usage'
+          // dumpio: true
+        ]
       });
       global.Worker = createPseudoWorker(await newPageContext(browser));
       page = await newPageContext(browser);