BAEL-7503 add example of test ordering in JUnit 5

testing-modules/junit5-migration/src/test/java/com/baeldung/junit5vstestng/OrderedUnitTest.java

@@ -0,0 +1,25 @@
+package com.baeldung.junit5vstestng;
+
+import static org.junit.Assert.assertTrue;
+
+import org.junit.jupiter.api.MethodOrderer;
+import org.junit.jupiter.api.Order;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.TestMethodOrder;
+
+@TestMethodOrder(MethodOrderer.OrderAnnotation.class)
+class OrderedUnitTest {
+    
+    @Test
+    @Order(2)
+    void a_givenString_whenChangedtoInt_thenTrue() {
+        assertTrue(Integer.valueOf("10") instanceof Integer);
+    }
+
+    @Test
+    @Order(1)
+    void b_givenInt_whenChangedtoString_thenTrue() {
+        assertTrue(String.valueOf(10) instanceof String);
+    }
+
+}

testing-modules/junit5-migration/src/test/java/com/baeldung/junit5vstestng/SortedUnitTest.java

@@ -0,0 +1,22 @@
+package com.baeldung.junit5vstestng;
+
+import static org.junit.Assert.assertTrue;
+
+import org.junit.jupiter.api.MethodOrderer;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.TestMethodOrder;
+
+@TestMethodOrder(MethodOrderer.MethodName.class)
+class SortedUnitTest {
+    
+    @Test
+    void a_givenString_whenChangedtoInt_thenTrue() {
+        assertTrue(Integer.valueOf("10") instanceof Integer);
+    }
+
+    @Test
+    void b_givenInt_whenChangedtoString_thenTrue() {
+        assertTrue(String.valueOf(10) instanceof String);
+    }
+
+}

testing-modules/junit5-migration/src/test/java/com/baeldung/junit5vstestng/SummationServiceUnitTest.java

@@ -19,24 +19,24 @@ class SummationServiceUnitTest {
     static void initialize() {
         numbers = new ArrayList<>();
     }
- 
+
     @AfterAll
     static void tearDown() {
         numbers = null;
     }
- 
+
     @BeforeEach
     void runBeforeEachTest() {
         numbers.add(1);
         numbers.add(2);
         numbers.add(3);
     }
- 
+
     @AfterEach
     void runAfterEachTest() {
         numbers.clear();
     }
- 
+
     @Test
     void givenNumbers_sumEquals_thenCorrect() {
         int sum = numbers.stream()