autotest: Fix a dict key in test_push

BUG=chromium:956565
TEST=server/site_utils_unittest.py

Change-Id: I71a29e163e6124bb5731f958393fd0ef6ea610e0
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/autotest/+/1584161
Tested-by: Alex Zamorzaev <zamorzaev@chromium.org>
Reviewed-by: Xixuan Wu <xixuan@chromium.org>
Reviewed-by: C Shapiro <shapiroc@chromium.org>
Commit-Queue: Alex Zamorzaev <zamorzaev@chromium.org>
diff --git a/server/site_utils.py b/server/site_utils.py
index f03dd5b..8cfbeae 100644
--- a/server/site_utils.py
+++ b/server/site_utils.py
@@ -406,7 +406,7 @@
 
     test_views = collections.defaultdict(list)
     for view in relevant_views:
-        test_views[view['test_name']].append(view['test_status'])
+        test_views[view['test_name']].append(view['status'])
     return test_views