Migrate to JUnit5

data-mapper/pom.xml

@@ -33,8 +33,13 @@
 	<artifactId>data-mapper</artifactId>
 	<dependencies>
 		<dependency>
-			<groupId>junit</groupId>
-			<artifactId>junit</artifactId>
+			<groupId>org.junit.jupiter</groupId>
+			<artifactId>junit-jupiter-api</artifactId>
+			<scope>test</scope>
+		</dependency>
+		<dependency>
+			<groupId>org.junit.jupiter</groupId>
+			<artifactId>junit-jupiter-engine</artifactId>
 			<scope>test</scope>
 		</dependency>
 		<dependency>

data-mapper/src/test/java/com/iluwatar/datamapper/AppTest.java

@@ -18,8 +18,7 @@
  */
 package com.iluwatar.datamapper;
 
-import com.iluwatar.datamapper.App;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Tests that Data-Mapper example runs without errors.

data-mapper/src/test/java/com/iluwatar/datamapper/DataMapperTest.java

@@ -18,13 +18,9 @@
  */
 package com.iluwatar.datamapper;
 
-import static org.junit.Assert.assertEquals;
+import org.junit.jupiter.api.Test;
 
-import org.junit.Test;
-
-import com.iluwatar.datamapper.Student;
-import com.iluwatar.datamapper.StudentDataMapper;
-import com.iluwatar.datamapper.StudentDataMapperImpl;
+import static org.junit.jupiter.api.Assertions.assertEquals;
 
 /**
  * The Data Mapper (DM) is a layer of software that separates the in-memory objects from the

data-mapper/src/test/java/com/iluwatar/datamapper/StudentTest.java

@@ -18,10 +18,10 @@
  */
 package com.iluwatar.datamapper;
 
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertTrue;
+import org.junit.jupiter.api.Test;
 
-import org.junit.Test;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
 /**
  * Tests {@link Student}.