TESTS: Check new line at end of file Reviewed-by: Nikolai Kondrashov <Nikolai.Kondrashov@redhat.com>

TESTS: Make whitespace_test pass without whitespace Make whitespace_test pass if no trailing whitespace was detected at all. Add two comments explaining how searching and failure handling works. Fixes: https://fedorahosted.org/sssd/ticket/2816 Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>

TESTS: Add trailing whitespace test Signed-off-by: Lukas Slebodnik <lslebodn@redhat.com> Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com> Reviewed-by: Pavel Reichl <preichl@redhat.com>