Modify unit test

Author: duhengforever

openmessaging-api/src/test/java/io/openmessaging/internal/AccessPointURITest.java

@@ -79,7 +79,6 @@ public void testGetHosts() throws Exception {
     @Test
     public void testGetRegion() throws Exception {
         AccessPointURI accessPointURI = new AccessPointURI(fullSchemaURI);
-        Message message = new MessageImpl();
 
         assertThat(accessPointURI.getRegion()).isEqualTo("us-east");
     }

openmessaging-api/src/test/java/io/openmessaging/internal/MessagingAccessPointAdapterTest.java

@@ -34,7 +34,7 @@
 
 public class MessagingAccessPointAdapterTest {
     @Test
-    public void getMessagingAccessPoint() throws Exception {
+    public void getMessagingAccessPoint() {
         String testURI = "oms:test-vendor://alice@rocketmq.apache.org/us-east:default_space";
 
         KeyValue keyValue = OMS.newKeyValue();
@@ -46,13 +46,12 @@ public void getMessagingAccessPoint() throws Exception {
 
 class TestVendor implements MessagingAccessPoint {
 
-
     public TestVendor(KeyValue keyValue) {
     }
 
     @Override
     public String version() {
-        return null;
+        return OMS.specVersion;
     }
 
     @Override