renamed back to testing-modules, pulled together testing-modules-2 modules into single module

testing-modules/junit-4/src/test/java/com/baeldung/rules/RuleChainUnitTest.java

@@ -0,0 +1,21 @@
+package com.baeldung.rules;
+
+import static org.junit.Assert.assertTrue;
+
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.RuleChain;
+
+public class RuleChainUnitTest {
+
+    @Rule
+    public RuleChain chain = RuleChain.outerRule(new MessageLogger("First rule"))
+        .around(new MessageLogger("Second rule"))
+        .around(new MessageLogger("Third rule"));
+
+    @Test
+    public void givenRuleChain_whenTestRuns_thenChainOrderApplied() {
+        assertTrue(true);
+    }
+
+}