diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index cd91a3b..2b6c2a8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -47,6 +47,8 @@ jobs:
       - uses: ./.github/actions/build
       - uses: ./.github/actions/build-docs
 
+      - uses: mxschmitt/action-tmate@v3
+
       - name: Run tests
         run: make test
 
diff --git a/ldclient/impl/integrations/files/file_data_source.py b/ldclient/impl/integrations/files/file_data_source.py
index 063c169..9c989c7 100644
--- a/ldclient/impl/integrations/files/file_data_source.py
+++ b/ldclient/impl/integrations/files/file_data_source.py
@@ -208,6 +208,7 @@ def _poll(self):
             changed = False
             for file_path, file_time in self._file_times.items():
                 if new_times.get(file_path) is not None and new_times.get(file_path) != file_time:
+                    print(f"File {file_path} modification time has changed from {file_time} to {new_times.get(file_path)}")
                     changed = True
                     break
             self._file_times = new_times
diff --git a/ldclient/testing/test_file_data_source.py b/ldclient/testing/test_file_data_source.py
index cb8dec3..66d513d 100644
--- a/ldclient/testing/test_file_data_source.py
+++ b/ldclient/testing/test_file_data_source.py
@@ -119,8 +119,10 @@ def make_temp_file(content):
     return path
 
 def replace_file(path, content):
+    print(f"Preparing to replace file at path {path} with content {content}")
     with open(path, 'w') as f:
         f.write(content)
+    print(f"File replaced at path {path} with content {content}")
 
 def test_does_not_load_data_prior_to_start():
     path = make_temp_file('{"flagValues":{"key":"value"}}')