@Test
  public void testIncrementNormalTable() {
    conn.getTable(TableName.valueOf(name.getMethodName()))
      .incrementColumnValue(Bytes.toBytes(0), Bytes.toBytes("cf"), Bytes.toBytes("cq"), 1).join();
    verify(stub, times(1)).mutate(assertPriority(NORMAL_QOS), any(MutateRequest.class), any());
  }
Confirm that we will set the priority in {@link HBaseRpcController} for several table operations.
hbase-client/src/test/java/org/apache/hadoop/hbase/client/TestAsyncTableRpcPriority.java