[telemetry] Prototype for specifying page sets using Python imports and Telemetry discovery.

tools/perf/measurements/measurement_unittest.py

Index: tools/perf/measurements/measurement_unittest.py
diff --git a/tools/perf/measurements/measurement_unittest.py b/tools/perf/measurements/measurement_unittest.py
index 8386be3ab71caaa4f0295c64f1129c365960a551..338ece76704acbbfc7b5c26a8c2264a03ec5ffbb 100644
--- a/tools/perf/measurements/measurement_unittest.py
+++ b/tools/perf/measurements/measurement_unittest.py
@@ -22,7 +22,7 @@ class MeasurementUnitTest(unittest.TestCase):
     #
     # Ideally this test would be comprehensive, but the above serves as a
     # kind of smoke test.
-    measurements_dir = os.path.dirname(__file__)
+    measurements_dir = os.path.dirname(os.path.realpath(__file__))
     top_level_dir = os.path.dirname(measurements_dir)
     benchmarks_dir = os.path.join(top_level_dir, 'benchmarks')
 
@@ -33,7 +33,7 @@ class MeasurementUnitTest(unittest.TestCase):
         benchmarks_dir, top_level_dir, test.Test, pattern='*.py').values()
 
     for benchmark in all_benchmarks:
-      if benchmark.test not in all_measurements:
+      if benchmark.PageTestClass() not in all_measurements:
         # If the benchmark is not in measurements, then it is not composable.
         # Ideally we'd like to test these as well, but the non-composable
         # benchmarks are usually long-running benchmarks.