Increased timeout for test (#462)

Author: Elliot Boschwitz

tests/test_noninteractive_mode.py

@@ -82,7 +82,7 @@ def test_long_query(tmp_filepath):
         finally:
             shutdown(mssqlcli)
 
-    @pytest.mark.timeout(300)
+    @pytest.mark.timeout(600)
     def test_multiple_merge(self):
         """
         Tests query with multiple merges. Requires creation of temp db.