Issue #513: don't call the command in the test suite

scripts/test/Console/Command/Dev/Git/InstallHooks.t

@@ -1,8 +1,7 @@
 # --
 # OTOBO is a web-based ticketing system for service organisations.
 # --
-# Copyright (C) 2001-2020 OTRS AG, https://otrs.com/
-# Copyright (C) 2019-2020 Rother OSS GmbH, https://otobo.de/
+# Copyright (C) 2020 Rother OSS GmbH, https://otobo.de/
 # --
 # This program is free software: you can redistribute it and/or modify it under
 # the terms of the GNU General Public License as published by the Free Software
@@ -19,7 +18,9 @@ use strict;
 use warnings;
 use utf8;
 
-use vars (qw($Self));
+use Test2::V0;
+
+skip_all( 'skip this test because the testsuite should not change the users git configuration' );
 
 my $CommandObject = $Kernel::OM->Get('Kernel::System::Console::Command::Dev::Git::InstallHooks');