Adapt zuul.yaml strategies jobs to include tests with tag 'strategy'

The idea is to adapt zuul.yaml to future test structure where every strategy will be on its own file so now we keep executing everything inside test_execute_strategies but also any other test on any file with tag 'strategy'

Change-Id: I304c858078d35beb1f7b4f1fad4ea8bedde674af

.zuul.yaml

@@ -9,7 +9,10 @@
     parent: watcher-tempest-multinode
     vars:
       tempest_concurrency: 1
-      tempest_test_regex: watcher_tempest_plugin.tests.scenario.test_execute_strategies
+      # All tests inside watcher_tempest_plugin.tests.scenario with tag "strategy"
+      # or test_execute_strategies file
+      # excluding tests with tag "real_load"
+      tempest_test_regex: (^watcher_tempest_plugin.tests.scenario)(.*\[.*\bstrategy\b.*\].*)|(^watcher_tempest_plugin.tests.scenario.test_execute_strategies)
       tempest_exclude_regex: .*\[.*\breal_load\b.*\].*
 
 - job:
@@ -210,7 +213,10 @@
               datasource: prometheus
       tempest_plugins:
         - watcher-tempest-plugin
-      tempest_test_regex: watcher_tempest_plugin.tests.scenario.test_execute_strategies
+      # All tests inside watcher_tempest_plugin.tests.scenario with tag "strategy"
+      # or test_execute_strategies file
+      # excluding tests with tag "real_load"
+      tempest_test_regex: (watcher_tempest_plugin.tests.scenario)(.*\[.*\bstrategy\b.*\].*)|(watcher_tempest_plugin.tests.scenario.test_execute_strategies)
       tempest_exclude_regex: .*\[.*\breal_load\b.*\].*
       tempest_concurrency: 1
       tox_envlist: all
@@ -257,7 +263,8 @@
           $TEMPEST_CONFIG:
             optimize:
               datasource: ""
-      tempest_test_regex: .*\[.*\breal_load\b.*\].*
+      # All tests inside watcher_tempest_plugin.tests.scenario with tag "real_load"
+      tempest_test_regex: (^watcher_tempest_plugin.tests.scenario)(.*\[.*\breal_load\b.*\].*)
       tempest_exclude_regex: ""
     group-vars:
       subnode: