Modify test result in @AfterMethod

I have an issue with TestNG's AfterMethod. I want to modify (fail) test result after method is executed.

TestNG version is "6.13.1" and I'm using any custom TestNG listeners.

@AfterMethod
public void checkTestStatus(ITestContext tc, ITestResult result) {
    if (result.isSuccess()) {
        tc.getPassedTests().removeResult(result.getMethod());
        result.setStatus(ITestResult.FAILURE);
    }
    result.setThrowable(new Exception("Something happened!"));

    tc.getFailedTests().addResult(result, result.getMethod());

    Reporter.setCurrentTestResult(result);
}