diff --git a/clang/tools/scan-build-py/tests/unit/test_analyze.py b/clang/tools/scan-build-py/tests/unit/test_analyze.py
index 481cc0c..5cfc121 100644
--- a/clang/tools/scan-build-py/tests/unit/test_analyze.py
+++ b/clang/tools/scan-build-py/tests/unit/test_analyze.py
@@ -4,4 +4,19 @@
 # This file is distributed under the University of Illinois Open Source
 # License. See LICENSE.TXT for details.
 
+import libear
 import libscanbuild.analyze as sut
+import unittest
+
+class ReportDirectoryTest(unittest.TestCase):
+
+    # Test that successive report directory names ascend in lexicographic
+    # order. This is required so that report directories from two runs of
+    # scan-build can be easily matched up to compare results.
+    def test_directory_name_comparison(self):
+        with libear.TemporaryDirectory() as tmpdir, \
+             sut.report_directory(tmpdir, False) as report_dir1, \
+             sut.report_directory(tmpdir, False) as report_dir2, \
+             sut.report_directory(tmpdir, False) as report_dir3:
+            self.assertLess(report_dir1, report_dir2)
+            self.assertLess(report_dir2, report_dir3)
diff --git a/clang/tools/scan-build-py/tests/unit/test_report.py b/clang/tools/scan-build-py/tests/unit/test_report.py
index c82b559..3f249ce 100644
--- a/clang/tools/scan-build-py/tests/unit/test_report.py
+++ b/clang/tools/scan-build-py/tests/unit/test_report.py
@@ -146,16 +146,3 @@
     def test_empty(self):
         self.assertEqual(
             sut.commonprefix([]), '')
-
-class ReportDirectoryTest(unittest.TestCase):
-
-    # Test that successive report directory names ascend in lexicographic
-    # order. This is required so that report directories from two runs of
-    # scan-build can be easily matched up to compare results.
-    def test_directory_name_comparison(self):
-        with libear.TemporaryDirectory() as tmpdir, \
-             sut.report_directory(tmpdir, False) as report_dir1, \
-             sut.report_directory(tmpdir, False) as report_dir2, \
-             sut.report_directory(tmpdir, False) as report_dir3:
-            self.assertLess(report_dir1, report_dir2)
-            self.assertLess(report_dir2, report_dir3)