public static void checkArgument(boolean expression, Object errorMessage) {
        if (Objects.isNull(errorMessage)) {
            throw new IllegalArgumentException("errorMessage cannot be null.");
        }
        if (!expression) {
            throw new IllegalArgumentException(String.valueOf(errorMessage));
        }
    }
@Test
    void testCheckArgument2Args1true() {
        Preconditions.checkArgument(true, ERRORMSG);
    }