[tests] Split TestFilterUnique.test_stop method

Change-Id: I2ead233f3ea9b0ae2297290c1fe6ae4f5413465b
---
M tests/tools_tests.py
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tests/tools_tests.py b/tests/tools_tests.py
index 66a6bb5..6bcb28b 100644
--- a/tests/tools_tests.py
+++ b/tests/tools_tests.py
@@ -576,7 +576,7 @@
         self.assertEqual(deduped_out, [1, 3, 2, 1, 1, 4])
         self.assertEqual(deduped, {2, 4})
 
-    def test_stop(self):
+    def test_stop_contains(self):
         """Test filter_unique with an ignoring container."""
         deduped = ContainsStopList()
         deduped.stop_list = [2]
@@ -589,6 +589,8 @@
         with self.assertRaises(StopIteration):
             next(deduper)
 
+    def test_stop_add(self):
+        """Test filter_unique with an ignoring container during add call."""
         deduped = AddStopList()
         deduped.stop_list = [4]
         deduper = tools.filter_unique(self.ints, container=deduped)

