* Adds one or more regex warnings to the given test
     *
     * @param testName      the test name to add the regex warning
     * @param warningsRegex the regex warning(s) to add
     */
    public void addWarningRegex(String testName, String... warningsRegex) {
        transformations.add(new InjectWarnings(true, Arrays.asList(warningsRegex), testName));
    }

    /**
     * Removes one or more warnings
     *

              task.removeMatch("_source.junk", "two")
              task.addMatch("_source.added", [name: 'jake', likes: 'cheese'], "one")
              task.addWarning("one", "warning1", "warning2")
              task.addWarningRegex("two", "regex warning here .* [a-z]")
              task.addAllowedWarning("added allowed warning")
              task.addAllowedWarningRegex("added allowed warning regex .* [0-9]")