Disable PreCommit test org.apache.hadoop.hive.ql.TestMTQueries.testMTQueries1

The test is flaky and produces following errors:

java.io.FileNotFoundException: Source '/home/hiveptest/34.69.225.53-hiveptest-2/apache-github-source-source/itests/hive-unit/target/junit-qfile-results/clientpositive/join2.q.out' does not exist
{{ at org.apache.commons.io.FileUtils.checkFileRequirements(FileUtils.java:1383)}}
{{ at org.apache.commons.io.FileUtils.copyFile(FileUtils.java:1060)}}
{{ at org.apache.commons.io.FileUtils.copyFile(FileUtils.java:1028)}}
{{ at org.apache.hadoop.hive.ql.QOutProcessor.maskPatterns(QOutProcessor.java:162)}}
{{ at org.apache.hadoop.hive.ql.QTestUtil.checkCliDriverResults(QTestUtil.java:932)}}
{{ at org.apache.hadoop.hive.ql.QTestRunnerUtils.queryListRunnerMultiThreaded(QTestRunnerUtils.java:152)}}
{{ at org.apache.hadoop.hive.ql.TestMTQueries.testMTQueries1(TestMTQueries.java:55)}}
{{ at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)}}
{{ at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)}}
{{ at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)}}
{{ at java.lang.reflect.Method.invoke(Method.java:498)}}
{{ at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)}}
{{ at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)}}
{{ at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)}}
{{ at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)}}
{{ at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271)}}
{{ at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)}}
{{ at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)}}
{{ at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)}}
{{ at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)}}
{{ at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)}}
{{ at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)}}
{{ at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)}}
{{ at org.junit.runners.ParentRunner.run(ParentRunner.java:309)}}
{{ at org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:365)}}
{{ at org.apache.maven.surefire.junit4.JUnit4Provider.executeWithRerun(JUnit4Provider.java:273)}}
{{ at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:238)}}
{{ at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:159)}}
{{ at org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:379)}}
{{ at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:340)}}
{{ at org.apache.maven.surefire.booter.ForkedBooter.execute(ForkedBooter.java:125)}}
{{ at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:413)}}