[Telemetry] Ignore non-scalar numerics for TBMv2 metrics

telemetry/telemetry/web_perf/timeline_based_page_test_unittest.py

Index: telemetry/telemetry/web_perf/timeline_based_page_test_unittest.py
diff --git a/telemetry/telemetry/web_perf/timeline_based_page_test_unittest.py b/telemetry/telemetry/web_perf/timeline_based_page_test_unittest.py
index afba9e8085f504f2c600b848bc1afd3f0bac2fb0..d741be7ad91521e8a428e90338e759596e98af00 100644
--- a/telemetry/telemetry/web_perf/timeline_based_page_test_unittest.py
+++ b/telemetry/telemetry/web_perf/timeline_based_page_test_unittest.py
@@ -120,9 +120,15 @@ class TimelineBasedPageTestTest(page_test_test_case.PageTestTestCase):
     self.assertEquals(0, len(results.failures))
     v_foo = results.FindAllPageSpecificValuesNamed('foo')
     v_bar = results.FindAllPageSpecificValuesNamed('bar')
+    v_baz_avg = results.FindAllPageSpecificValuesNamed('baz_avg')
+    v_baz_sum = results.FindAllPageSpecificValuesNamed('baz_sum')
+    v_baz_count = results.FindAllPageSpecificValuesNamed('baz_count')
     self.assertEquals(len(v_foo), 1)
     self.assertEquals(len(v_bar), 1)
     self.assertEquals(v_foo[0].value, 1)
     self.assertIsNotNone(v_foo[0].page)
     self.assertEquals(v_bar[0].value, 2)
     self.assertIsNotNone(v_bar[0].page)
+    self.assertEquals(len(v_baz_avg), 1)
+    self.assertEquals(len(v_baz_sum), 1)
+    self.assertEquals(len(v_baz_count), 1)