13 Unit tests are failing with JDK 8

  TestFlattenPlanning.testFlattenPlanningAvoidUnnecessaryProject
  TestFrameworkTest {
  	testRepeatedColumnMatching
	testCSVVerificationOfOrder_checkFailure
  }
  Drill2489CallsAfterCloseThrowExceptionsTest {
    testClosedDatabaseMetaDataMethodsThrowRight
    testClosedPlainStatementMethodsThrowRight
    testclosedPreparedStmtOfOpenConnMethodsThrowRight
    testClosedResultSetMethodsThrowRight1
    testClosedResultSetMethodsThrowRight2
  }
  Drill2769UnsupportedReportsUseSqlExceptionTest {
    testPreparedStatementMethodsThrowRight
    testPlainStatementMethodsThrowRight
  }
  TestMongoFilterPushDown {
    testFilterPushDownIsEqual
    testFilterPushDownGreaterThanWithSingleField
    testFilterPushDownLessThanWithSingleField
  }