group testing modules (#2914)

* move security content from spring-security-rest-full

* swagger update

* move query language to new module

* rename spring-security-rest-full to spring-rest-full

* group persistence modules

* group testing modules

* try fix conflict

* cleanup

testing-modules/junit-5/src/main/java/com/baeldung/junit5/Greetings.java

@@ -0,0 +1,9 @@
+package com.baeldung.junit5;
+
+public class Greetings {
+
+    public static String sayHello() {
+        return "Hello";
+    }
+
+}

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

@@ -0,0 +1,19 @@
+package com.baeldung;
+
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+import org.junit.jupiter.api.Test;
+import org.junit.platform.runner.JUnitPlatform;
+import org.junit.runner.RunWith;
+
+import com.baeldung.junit5.Greetings;
+
+@RunWith(JUnitPlatform.class)
+public class GreetingsTest {
+
+    @Test
+    void whenCallingSayHello_thenReturnHello() {
+        assertTrue("Hello".equals(Greetings.sayHello()));
+    }
+
+}

testing-modules/junit-5/src/test/java/com/baeldung/junit5/spring/GreetingsSpringTest.java

@@ -0,0 +1,21 @@
+package com.baeldung.junit5.spring;
+
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit.jupiter.SpringExtension;
+
+import com.baeldung.junit5.Greetings;
+
+@ExtendWith(SpringExtension.class)
+@ContextConfiguration(classes = { SpringTestConfiguration.class })
+public class GreetingsSpringTest {
+
+    @Test
+    void whenCallingSayHello_thenReturnHello() {
+        assertTrue("Hello".equals(Greetings.sayHello()));
+    }
+
+}

testing-modules/junit-5/src/test/java/com/baeldung/junit5/spring/SpringTestConfiguration.java

@@ -0,0 +1,8 @@
+package com.baeldung.junit5.spring;
+
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class SpringTestConfiguration {
+
+}