Refactoring benchmarks for perf bot efficiency.

tools/telemetry/telemetry/multi_page_benchmark_unittest_base.py

Index: tools/telemetry/telemetry/multi_page_benchmark_unittest_base.py
diff --git a/tools/telemetry/telemetry/multi_page_benchmark_unittest_base.py b/tools/telemetry/telemetry/multi_page_benchmark_unittest_base.py
index 128ff3fccd4c76fbf0d11a521043f036a5f8d784..6e490519bb022d808b2cf9bccc91b47225f4f409 100644
--- a/tools/telemetry/telemetry/multi_page_benchmark_unittest_base.py
+++ b/tools/telemetry/telemetry/multi_page_benchmark_unittest_base.py
@@ -22,6 +22,7 @@ class MultiPageBenchmarkUnitTestBase(unittest.TestCase):
   def CreatePageSet(self, test_filename):
     base_dir = os.path.dirname(__file__)
     page = page_module.Page(test_filename, base_dir=base_dir)
+    setattr(page, 'scrolling', {'action': 'scrolling_interaction'})
     ps = page_set.PageSet(base_dir=base_dir)
     ps.pages.append(page)
     return ps