Migrate to JUnit5

balking/src/test/java/com/iluwatar/balking/AppTest.java

@@ -23,7 +23,7 @@
 
 package com.iluwatar.balking;
 
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Application test

balking/src/test/java/com/iluwatar/balking/WashingMachineTest.java

@@ -22,13 +22,13 @@
  */
 package com.iluwatar.balking;
 
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
 import java.util.concurrent.TimeUnit;
 
-import static org.junit.Assert.*;
+import static org.junit.jupiter.api.Assertions.assertEquals;
 
 /**
  * Tests for {@link WashingMachine}