TestAdminShell2 is failing because of we referenced a deleted method

src/test/ruby/hbase/admin2_test.rb:70:in `block in test_Get_detailed_status'
/home/zhangduo/hbase/code/hbase-shell/src/test/ruby/test_helper.rb:161:in `capture_stdout'
     67:     end
     68:
     69:     define_test 'Get detailed status' do
^[[48;5;16;38;5;226;1m  => 70:       output = capture_stdout { admin.status('detailed', '') }^[[0m
     71:       puts "Status output:\n#{output}"
     72:       # Some text which isn't in the simple output
     73:       assert output.include? 'regionsInTransition'
src/test/ruby/hbase/admin2_test.rb:70:in `block in test_Get_detailed_status'
uri:classloader:/hbase/admin.rb:926:in `status'
Error: ^[[48;5;16;38;5;226;1mtest_Get_detailed_status(Hbase::StatusTest)^[[0m:
  NoMethodError: undefined method `getMaster' for #<Java::OrgApacheHadoopHbase::ClusterMetricsBuilder::ClusterMetricsImpl:0x4eee1637>
  Did you mean?  get_master_name