ipaserver_test: Do not show traceback in case of testing failures

ipaserver_test was not handling possible exceptions in the tests which
resulted in a traceback. This has been fixed.

roles/ipaserver/library/ipaserver_test.py

@@ -727,6 +727,9 @@ def main():
         if options.setup_adtrust:
             adtrust.install_check(False, options, api)
 
+    except (RuntimeError, ValueError, ScriptError) as e:
+        module.fail_json(msg=str(e))
+
     finally:
         try:
             shutil.rmtree(ipa_tempdir, ignore_errors=True)