diff --git a/experiment/measurer/test_data/llvm_tools/llvm-cov b/experiment/measurer/test_data/llvm_tools/llvm-cov
index 858c5813e..35582db71 100755
Binary files a/experiment/measurer/test_data/llvm_tools/llvm-cov and b/experiment/measurer/test_data/llvm_tools/llvm-cov differ
diff --git a/experiment/measurer/test_data/llvm_tools/llvm-profdata b/experiment/measurer/test_data/llvm_tools/llvm-profdata
index 067047038..668cb5495 100755
Binary files a/experiment/measurer/test_data/llvm_tools/llvm-profdata and b/experiment/measurer/test_data/llvm_tools/llvm-profdata differ
diff --git a/experiment/measurer/test_data/test_measure_snapshot_coverage/freetype2-2017-coverage b/experiment/measurer/test_data/test_measure_snapshot_coverage/freetype2-2017-coverage
index 13a41e7c1..5b949837f 100755
Binary files a/experiment/measurer/test_data/test_measure_snapshot_coverage/freetype2-2017-coverage and b/experiment/measurer/test_data/test_measure_snapshot_coverage/freetype2-2017-coverage differ
diff --git a/experiment/measurer/test_measure_manager.py b/experiment/measurer/test_measure_manager.py
index fdc538d22..29be769b5 100644
--- a/experiment/measurer/test_measure_manager.py
+++ b/experiment/measurer/test_measure_manager.py
@@ -378,7 +378,7 @@ def test_measure_snapshot_coverage(  # pylint: disable=too-many-locals
         # fakefs. A directory containing necessary llvm tools is also added to
         # PATH.
         llvm_tools_path = get_test_data_path('llvm_tools')
-        os.environ["PATH"] += os.pathsep + llvm_tools_path
+        os.environ['PATH'] += os.pathsep + llvm_tools_path
         os.environ['WORK'] = str(tmp_path)
         mocked_is_cycle_unchanged.return_value = False
         # Set up the coverage binary.
@@ -423,7 +423,7 @@ def test_measure_snapshot_coverage(  # pylint: disable=too-many-locals
                 snapshot_measurer.trial_num, cycle, False)
         assert snapshot
         assert snapshot.time == cycle * experiment_utils.get_snapshot_seconds()
-        assert snapshot.edges_covered == 13178
+        assert snapshot.edges_covered == 4629
 
 
 @pytest.mark.parametrize('archive_name',