@Test(expected = IllegalArgumentException.class)
public void testCheckIfArgumentsMatchParameterTypesShouldThrowIllegalArgumentExceptionIfSingleArgumentIsNotAssignableToParameterType() {

    // Given:
    Object[] arguments = new Object[] { "1" };
    Class<?>[] parameterTypes = new Class<?>[] { int.class };
    // When:
    underTest.checkIfArgumentsMatchParameterTypes(arguments, parameterTypes);
    // Then: expect exception
}