Silence an expected deprecation warning in a test_func.py test

1 files changed, 12 insertions, 2 deletions

diff --git a/tests/test_func.py b/tests/test_func.py
index 4b71d3e35..f38b03f6a 100644
--- a/tests/test_func.py
+++ b/tests/test_func.py
@@ -31,6 +31,7 @@ SYS_VERS_STR = "%d%d%d" % sys.version_info[:3]
 INPUT_DIR = join(dirname(abspath(__file__)), "input")
 MSG_DIR = join(dirname(abspath(__file__)), "messages")
 
+
 FILTER_RGX = None
 UPDATE = False
 INFO_TEST_RGX = re.compile(r"^func_i\d\d\d\d$")
@@ -120,20 +121,29 @@ def gen_tests(filter_rgx):
         base = module_file.replace(".py", "").split("_")[1]
         dependencies = _get_tests_info(INPUT_DIR, MSG_DIR, base, ".py")
         tests.append((module_file, messages_file, dependencies))
-
     if UPDATE:
         return tests
-
     assert len(tests) < 196, "Please do not add new test cases here."
     return tests
 
 
+TEST_WITH_EXPECTED_DEPRECATION = ["func_excess_escapes.py"]
+
+
 @pytest.mark.parametrize(
     "module_file,messages_file,dependencies",
     gen_tests(FILTER_RGX),
     ids=[o[0] for o in gen_tests(FILTER_RGX)],
 )
 def test_functionality(module_file, messages_file, dependencies):
+    if module_file in TEST_WITH_EXPECTED_DEPRECATION:
+        # Remove <unknown>:x: DeprecationWarning: invalid escape sequence
+        with pytest.deprecated_call():
+            __test_functionality(module_file, messages_file, dependencies)
+    __test_functionality(module_file, messages_file, dependencies)
+
+
+def __test_functionality(module_file, messages_file, dependencies):
     lint_test = LintTestUpdate() if UPDATE else LintTestUsingModule()
     lint_test.module = module_file.replace(".py", "")
     lint_test.output = messages_file