@Parameterized.Parameters
  public static Collection parameters() {
    return Arrays.asList(new Object[][] { { MasterRegistry.class, 1 }, { MasterRegistry.class, 2 },
      { ZKConnectionRegistry.class, 1 } });
  }
Run tests that use the HBase clients; {@link Table}. Sets up the HBase mini cluster once at start
and runs through all client tests. Each creates a table named for the method and does its stuff
against that. Parameterized to run with different registry implementations. This class was split
in three because it got too big when parameterized. Other classes are below.
@see TestFromClientSide4
@see TestFromClientSide5
hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestFromClientSide.java