Migrate to JUnit5

api-gateway/api-gateway-service/src/test/java/com/iluwatar/api/gateway/ApiGatewayTest.java

@@ -22,15 +22,15 @@
  */
 package com.iluwatar.api.gateway;
 
-import static org.junit.Assert.assertEquals;
-import static org.mockito.Mockito.when;
-
-import org.junit.Before;
-import org.junit.Test;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
 import org.mockito.InjectMocks;
 import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
 
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.mockito.Mockito.when;
+
 /**
  * Test API Gateway Pattern
  */
@@ -45,7 +45,7 @@ public class ApiGatewayTest {
   @Mock
   private PriceClient priceClient;
 
-  @Before
+  @BeforeEach
   public void setup() {
     MockitoAnnotations.initMocks(this);
   }