Compute image client must use its timeout

Related-PROD: https://mirantis.jira.com/browse/PRODX-26538
Change-Id: I0bb4cfafeff0d2e6440b9b2c71da2922caece8e8
(cherry picked from commit 5b733169943eb241e4a096ba793c4fe0534ee672)
diff --git a/tempest/clients.py b/tempest/clients.py
index c4e00fe..83a4613 100644
--- a/tempest/clients.py
+++ b/tempest/clients.py
@@ -109,7 +109,8 @@
             enable_instance_password=eip)
         self.server_groups_client = self.compute.ServerGroupsClient()
         self.limits_client = self.compute.LimitsClient()
-        self.compute_images_client = self.compute.ImagesClient()
+        self.compute_images_client = self.compute.ImagesClient(
+            build_timeout=CONF.image.build_timeout)
         self.keypairs_client = self.compute.KeyPairsClient()
         self.quotas_client = self.compute.QuotasClient()
         self.quota_classes_client = self.compute.QuotaClassesClient()