[benchmark][generate-harness] When generating the CMakeLists.txt file for the harness, sort the single-source files to give a deterministic ordering.

Author: gottesmm

benchmark/scripts/generate_harness/generate_harness.py

@@ -37,8 +37,8 @@
 
 if __name__ == '__main__':
     # CMakeList single-source
-    tests = [os.path.basename(x).split('.')[0]
-             for x in glob.glob(os.path.join(single_source_dir, '*.swift'))]
+    test_files = glob.glob(os.path.join(single_source_dir, '*.swift'))
+    tests = sorted(os.path.basename(x).split('.')[0] for x in test_files)
 
     # CMakeList multi-source
     class MultiSourceBench(object):