amd64-generic-telemetry started failing from this build:
https://cros-goldeneye.corp.google.com/chromeos/healthmonitoring/buildDetails?buildbucketId=8946147163458581456


And looks like core.perf_benchmark_unittest.PerfBenchmarkTest.testVariationArgs failed :
05/18 20:25:20.493 INFO |run_chromeos_tests:0052| [212/262] core.perf_benchmark_unittest.PerfBenchmarkTest.testVariationArgs failed unexpectedly 0.0046s:
05/18 20:25:20.494 INFO |run_chromeos_tests:0052|   Traceback (most recent call last):
05/18 20:25:20.494 INFO |run_chromeos_tests:0052|     File "/usr/local/telemetry/src/tools/perf/core/perf_benchmark_unittest.py", line 41, in testVariationArgs
05/18 20:25:20.494 INFO |run_chromeos_tests:0052|       self.assertEqual(1, len(feature_args))
05/18 20:25:20.495 INFO |run_chromeos_tests:0052|   AssertionError: 1 != 0

Achuith, could you help to triage?