diff --git a/subprojects/gst-devtools/validate/tests/launcher_tests/test_validate.py b/subprojects/gst-devtools/validate/tests/launcher_tests/test_validate.py
index bad3275344..01fccd2e1e 100644
--- a/subprojects/gst-devtools/validate/tests/launcher_tests/test_validate.py
+++ b/subprojects/gst-devtools/validate/tests/launcher_tests/test_validate.py
@@ -36,7 +36,7 @@ def get_pipelines(test_manager):
                  {'level': 'critical', 'summary': 'a NOT NEGOTIATED message has been posted on the bus.',
                   'details': r'.*Caps negotiation failed at pad.*capsfilter:sink.*as it refused caps:.*'}]}),
             ("not_negotiated.caps_query_failure",
-             "\( \( audiotestsrc \) ! input-selector name=i \) ! capsfilter name=capsfilter caps=video/x-raw ! fakesink",
+             r"\( \( audiotestsrc \) ! input-selector name=i \) ! capsfilter name=capsfilter caps=video/x-raw ! fakesink",
              {"expected-issues": [
                  {'returncode': 18},
                  {'level': 'critical', 'summary': 'a NOT NEGOTIATED message has been posted on the bus.',
diff --git a/subprojects/gst-editing-services/tests/check/python/test_timeline.py b/subprojects/gst-editing-services/tests/check/python/test_timeline.py
index c648fc86c0..591bc9ad1f 100644
--- a/subprojects/gst-editing-services/tests/check/python/test_timeline.py
+++ b/subprojects/gst-editing-services/tests/check/python/test_timeline.py
@@ -3699,7 +3699,7 @@ class TestTransitions(common.GESSimpleTimelineTest):
 
     def create_xges(self):
         uri = common.get_asset_uri("png.png")
-        return """<ges version='0.4'>
+        return r"""<ges version='0.4'>
   <project properties='properties;' metadatas='metadatas, author=(string)&quot;&quot;, render-scale=(double)100, format-version=(string)0.4;'>
     <ressources>
       <asset id='GESTitleClip' extractable-type-name='GESTitleClip' properties='properties;' metadatas='metadatas;' />