[SCB-2574] migrate provider-pojo module to junit5 (part 1) (#3082)

diff --git a/providers/provider-pojo/src/test/java/org/apache/servicecomb/provider/pojo/TestInvoker.java b/providers/provider-pojo/src/test/java/org/apache/servicecomb/provider/pojo/TestInvoker.java
index c89cd68..9717815 100644
--- a/providers/provider-pojo/src/test/java/org/apache/servicecomb/provider/pojo/TestInvoker.java
+++ b/providers/provider-pojo/src/test/java/org/apache/servicecomb/provider/pojo/TestInvoker.java
@@ -24,10 +24,10 @@
 import org.apache.servicecomb.foundation.test.scaffolding.config.ArchaiusUtils;
 import org.apache.servicecomb.foundation.vertx.http.ReadStreamPart;
 import org.apache.servicecomb.registry.DiscoveryManager;
-import org.junit.After;
-import org.junit.Before;
-import org.junit.Test;
+import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
 
 import javax.servlet.http.Part;
 import java.io.File;
@@ -44,13 +44,13 @@
     }
   }
 
-  @Before
+  @BeforeEach
   public void setUp() {
     ConfigUtil.installDynamicConfig();
     DiscoveryManager.renewInstance();
   }
 
-  @After
+  @AfterEach
   public void teardown() {
     ArchaiusUtils.resetConfig();
   }
diff --git a/providers/provider-pojo/src/test/java/org/apache/servicecomb/provider/pojo/TestPojoConsumerProvider.java b/providers/provider-pojo/src/test/java/org/apache/servicecomb/provider/pojo/TestPojoConsumerProvider.java
index 6a687b2..0321934 100644
--- a/providers/provider-pojo/src/test/java/org/apache/servicecomb/provider/pojo/TestPojoConsumerProvider.java
+++ b/providers/provider-pojo/src/test/java/org/apache/servicecomb/provider/pojo/TestPojoConsumerProvider.java
@@ -21,7 +21,7 @@
 import static org.hamcrest.core.Is.is;
 
 import org.hamcrest.MatcherAssert;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 public class TestPojoConsumerProvider {
   @Test
diff --git a/providers/provider-pojo/src/test/java/org/apache/servicecomb/provider/pojo/instance/TestSpringInstanceFactory.java b/providers/provider-pojo/src/test/java/org/apache/servicecomb/provider/pojo/instance/TestSpringInstanceFactory.java
index 1bee70b..04ef9ce 100644
--- a/providers/provider-pojo/src/test/java/org/apache/servicecomb/provider/pojo/instance/TestSpringInstanceFactory.java
+++ b/providers/provider-pojo/src/test/java/org/apache/servicecomb/provider/pojo/instance/TestSpringInstanceFactory.java
@@ -19,8 +19,8 @@
 
 import org.apache.servicecomb.provider.common.MockUtil;
 import org.apache.servicecomb.provider.pojo.PojoConst;
-import org.junit.Test;
 import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
 
 public class TestSpringInstanceFactory {
 
diff --git a/providers/provider-pojo/src/test/java/org/apache/servicecomb/provider/pojo/reference/PojoReferenceMetaTest.java b/providers/provider-pojo/src/test/java/org/apache/servicecomb/provider/pojo/reference/PojoReferenceMetaTest.java
index 16f52e2..5e529f4 100644
--- a/providers/provider-pojo/src/test/java/org/apache/servicecomb/provider/pojo/reference/PojoReferenceMetaTest.java
+++ b/providers/provider-pojo/src/test/java/org/apache/servicecomb/provider/pojo/reference/PojoReferenceMetaTest.java
@@ -26,18 +26,18 @@
 import org.apache.servicecomb.foundation.test.scaffolding.config.ArchaiusUtils;
 import org.apache.servicecomb.provider.pojo.IPerson;
 import org.hamcrest.MatcherAssert;
-import org.junit.After;
-import org.junit.Before;
-import org.junit.Test;
+import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
 
 public class PojoReferenceMetaTest {
-  @Before
+  @BeforeEach
   public void setUp() {
     ConfigUtil.installDynamicConfig();
   }
 
-  @After
+  @AfterEach
   public void teardown() {
     ArchaiusUtils.resetConfig();
   }