Update to JUnit5 across all modules (#1668)

* Updated saga to JUnit 5

* Update fix for CI job in trampoline module

* Updated update-method module to JUnit 5

* Upgraded to latest JUnit Jupiter
JUnit 4 is not needed when using JUnit-Vintage

* Reverted change to access modifier on Trampoline

* Cleanup to resolve code smells

* Formatting

* Formatting

* Migrating to JUnit5 and updating some Mockito patterns

* Migrating to JUnit5

* Migrating to JUnit5

* Migrating to JUnit 5

* Formatting cleanup

* Added missing scope for junit

* Fixed tests that were not running previously.

Co-authored-by: Subhrodip Mohanta <hello@subho.xyz>

arrange-act-assert/src/test/java/com/iluwatar/arrangeactassert/CashAntiAAATest.java

@@ -23,23 +23,24 @@
 
 package com.iluwatar.arrangeactassert;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertTrue;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * ({@link CashAAATest}) is an anti-example of AAA pattern. This test is functionally correct, but
- * with the addition of new feature, it needs refactoring. There are an awful lot of steps in that
+ * with the addition of a new feature, it needs refactoring. There are an awful lot of steps in that
  * test method, but it verifies the class' important behavior in just eleven lines. It violates the
  * single responsibility principle. If this test method failed after a small code change, it might
  * take some digging to discover why.
  */
-public class CashAntiAAATest {
+
+class CashAntiAAATest {
 
   @Test
-  public void testCash() {
+  void testCash() {
     //initialize
     var cash = new Cash(3);
     //test plus