BAEL 1861 (#4913)

* BAEL-1861 Replaced real tests with demo test "placeholders"

* BAEL-1861 Moved code from new module into existing ones

* BAEL-1861 Renamed main() classes to not violate PMD rules

testing-modules/junit-5/src/test/java/com/baeldung/runfromjava/SecondUnitTest.java

@@ -0,0 +1,18 @@
+package com.baeldung.runfromjava;
+
+import org.junit.jupiter.api.RepeatedTest;
+
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+class SecondUnitTest {
+
+    @RepeatedTest(10)
+    void whenSomething_thenSomething() {
+        assertTrue(true);
+    }
+
+    @RepeatedTest(5)
+    void whenSomethingElse_thenSomethingElse() {
+        assertTrue(true);
+    }
+}