HBASE-23051 Remove unneeded Mockito.mock invocations (apache#641)

Signed-off-by: Duo Zhang <zhangduo@apache.org>
Signed-off-by: Michael Stack <stack@apache.org>
(cherry picked from commit 64a68c5)

Change-Id: Ie47bc90556ffd6d1d9fa9e0bf44467056d02b222

Author: petersomogyi

hbase-server/src/test/java/org/apache/hadoop/hbase/master/assignment/MockMasterServices.java

@@ -65,7 +65,6 @@
 import org.apache.hbase.thirdparty.com.google.protobuf.ServiceException;
 
 import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;
-import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos;
 import org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos;
 import org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.MultiRequest;
 import org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.MultiResponse;
@@ -151,7 +150,6 @@ public MultiResponse answer(InvocationOnMock invocation) throws Throwable {
     // Set hbase.rootdir into test dir.
     Path rootdir = FSUtils.getRootDir(getConfiguration());
     FSUtils.setRootDir(getConfiguration(), rootdir);
-    Mockito.mock(AdminProtos.AdminService.BlockingInterface.class);
   }
 
   public void start(final int numServes, final RSProcedureDispatcher remoteDispatcher)

hbase-server/src/test/java/org/apache/hadoop/hbase/procedure/TestZKProcedureControllers.java

@@ -327,7 +327,6 @@ private ProcedureCoordinator setupMockCoordinator(String operationName,
       final ArrayList<byte[]> dataFromMembers) {
     ProcedureCoordinator coordinator = Mockito
         .mock(ProcedureCoordinator.class);
-    Mockito.mock(ProcedureCoordinator.class);
     Mockito.doAnswer(new Answer<Void>() {
       @Override
       public Void answer(InvocationOnMock invocation) throws Throwable {