Github user kkhatua commented on a diff in the pull request:

    https://github.com/apache/drill/pull/1055#discussion_r154246723
  
    --- Diff: 
exec/java-exec/src/main/java/org/apache/drill/exec/testing/ExecutionControlsInjector.java
 ---
    @@ -81,8 +83,20 @@ public void injectPause(final ExecutionControls 
executionControls, final String
           executionControls.lookupPauseInjection(this, desc);
     
         if (pauseInjection != null) {
    -      logger.debug("Pausing at {}", desc);
    -      pauseInjection.pause();
    +      long pauseDuration = pauseInjection.getMsPause();
    +      if ( pauseDuration > 0L) {
    +        logger.debug("Pausing at {} for {} sec", desc, 
TimeUnit.MILLISECONDS.toSeconds(pauseDuration) );
    +      } else {
    +        logger.debug("Pausing at {}", desc);
    +      }
    +      try {
    +        pauseInjection.pause();
    +      } catch (InterruptedException e) {
    +        //Unpause if this is a timed pause, because an explicit unpause is 
not called
    +        if (pauseDuration > 0L) {
    --- End diff --
    
    Just following convention of 'unpausing' explicitly, rather than implicitly 
within the `pause()` for a limited-duration pause.


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