Add ability to set timeout for image creation task

Change-Id: I922e6a62af56581bde5acdaeb7ca5ba78316aaab
Related-Prod: https://mirantis.jira.com/browse/PROD-26839
diff --git a/runtest/salttest/states/openstack/glancev2.sls b/runtest/salttest/states/openstack/glancev2.sls
index 02d45ed..2d0c4af 100644
--- a/runtest/salttest/states/openstack/glancev2.sls
+++ b/runtest/salttest/states/openstack/glancev2.sls
@@ -6,6 +6,7 @@
   - cloud_name: admin_identity
   - name: TestImage
   - location: {{ tempest.local_image_url }}
+  - timeout: {{ tempest.get('local_image_timeout', 600) }}
   - image_properties: {{ glance_properties }}
 
 glance_image_absent: