public ProcessWrapper waitForOutputToMatch(final String patternString)
      throws InterruptedException {
    return waitForOutputToMatch(patternString, timeoutMillis);
  }
Wraps spawned {@link Process} to capture output and provide interaction with the process.

@since GemFire 4.1.1
geode-junit/src/main/java/org/apache/geode/test/process/ProcessWrapper.java