@Before
  public void before() throws IOException {
    String methodName = this.name.getMethodName();
    this.rss = new MockRegionServerServices(HTU.getConfiguration());
    this.rsch = new RegionServerCoprocessorHost(this.rss, HTU.getConfiguration());
  }
Test CoreCoprocessor Annotation works giving access to facility not usually available. Test
RegionServerCoprocessor.
hbase-server/src/test/java/org/apache/hadoop/hbase/coprocessor/TestCoreRegionServerCoprocessor.java