bump variance on test_string, test_unicode

a recent rerun of profiles added more profiling data that's
failing over small differences.   15% variance is fine for these
tests that are looking for thousands of encode calls.

Change-Id: I33dac346b2ff07f86b4bc278a7309ca9b7efbaab

diff --git a/test/aaa_profiling/test_resultset.py b/test/aaa_profiling/test_resultset.py
index de3683430edb459e3671304550ca8d05b829e8a6..7188c412505831366ce406df5a910f71e7c2ec42 100644 (file)
--- a/test/aaa_profiling/test_resultset.py
+++ b/test/aaa_profiling/test_resultset.py
@@ -84,14 +84,14 @@ class ResultSetTest(fixtures.TestBase, AssertsExecutionResults):
     def teardown(self):
         metadata.drop_all()
 
-    @profiling.function_call_count()
+    @profiling.function_call_count(variance=0.15)
     def test_string(self):
         with testing.db.connect().execution_options(
             compiled_cache=None
         ) as conn:
             [tuple(row) for row in conn.execute(t.select()).fetchall()]
 
-    @profiling.function_call_count()
+    @profiling.function_call_count(variance=0.15)
     def test_unicode(self):
         with testing.db.connect().execution_options(
             compiled_cache=None