telemetry: Remove command line args from page test

tools/perf/benchmarks/benchmark_smoke_unittest.py

Index: tools/perf/benchmarks/benchmark_smoke_unittest.py
diff --git a/tools/perf/benchmarks/benchmark_smoke_unittest.py b/tools/perf/benchmarks/benchmark_smoke_unittest.py
index a3828616c33808f26c13ca1919f5df26fdd147db..bed257ebb9736c0a777a899a4fc23aed7018d43f 100644
--- a/tools/perf/benchmarks/benchmark_smoke_unittest.py
+++ b/tools/perf/benchmarks/benchmark_smoke_unittest.py
@@ -77,8 +77,8 @@ def load_tests(_, _2, _3):
       benchmarks_dir, top_level_dir, benchmark_module.Benchmark,
       index_by_class_name=False).values()
   for benchmark in all_benchmarks:
-    if benchmark.PageTestClass() not in all_measurements:
-      # If the benchmark is not in measurements, then it is not composable.
+    if hasattr(benchmark, 'test') and benchmark.test not in all_measurements:
+      # If the benchmark does not have a measurement, then it is not composable.
       # Ideally we'd like to test these as well, but the non-composable
       # benchmarks are usually long-running benchmarks.
       continue