Bug 1704646 - Do not run GTest with try syntax either. r=ahal

try_auto does not currently work with try-comm-central; try_syntax is the
typical invocation method.

Differential Revision: https://phabricator.services.mozilla.com/D111725

taskcluster/taskgraph/target_tasks.py

@@ -288,7 +288,9 @@ def _try_option_syntax(full_task_graph, parameters, graph_config):
     target_tasks_labels = [
         t.label
         for t in six.itervalues(full_task_graph.tasks)
-        if options.task_matches(t) and filter_by_uncommon_try_tasks(t.label)
+        if options.task_matches(t)
+        and filter_by_uncommon_try_tasks(t.label)
+        and filter_unsupported_artifact_builds(t, parameters)
     ]
 
     attributes = {