public boolean wasStartMasterCalled() {
      return postStartMasterCalled;
    }
Tests unhandled exceptions thrown by coprocessors running on master. Expected result is that the
master will abort with an informative error message describing the set of its loaded coprocessors
for crash diagnosis. (HBASE-4014).
hbase-server/src/test/java/org/apache/hadoop/hbase/coprocessor/TestMasterCoprocessorExceptionWithAbort.java