This adds a test for common command exec errors when checking out
repositories. The test checks if the correct error is thrown
(CommandExecError) instead of failing silently or with an
unspecific exception.
Signed-off-by: Felix Moessbauer <felix.moessbauer@siemens.com>
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
