Do a regular clone of tempest if we're running outside the gate

Disable git_clone from scenario003, all-in-one.sh leverages
run_tests which will now properly clone tempest if whether or not
we're in the gate.

Change-Id: I687464f26913bc9ee978e00e5c78efe91b062ec2

fixtures/scenario003.pp

@@ -384,7 +384,7 @@ class { '::tempest':
   debug               => true,
   use_stderr          => false,
   log_file            => 'tempest.log',
-  git_clone           => true,
+  git_clone           => false,
   tempest_clone_path  => '/tmp/tempest',
   tempest_clone_owner => $::id,
   lock_path           => '/tmp/tempest',

run_tests.sh

@@ -34,6 +34,9 @@ fi
 if [ -e /usr/zuul-env/bin/zuul-cloner ] ; then
     /usr/zuul-env/bin/zuul-cloner --workspace /tmp --cache-dir /opt/git \
         git://git.openstack.org openstack/tempest
+else
+    # We're outside the gate, just do a regular git clone
+    git clone git://git.openstack.org/openstack/tempest /tmp/openstack/tempest
 fi
 
 PUPPET_ARGS="--detailed-exitcodes --verbose --color=false --debug"