diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3e3390cd..527a5812 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -59,17 +59,25 @@ jobs:
       - run: poetry install --no-root --all-extras
       - run: poe lint
       - run: poe build-develop
-      - run: poe test -s -o log_cli_level=DEBUG
+      - run: mkdir junit-xml
+      - run: poe test -s -o log_cli_level=DEBUG --junit-xml=junit-xml/${{ matrix.python }}-${{ matrix.os }}.xml
       # Time skipping doesn't yet support ARM
       - if: ${{ !endsWith(matrix.os, '-arm') }}
-        run: poe test -s -o log_cli_level=DEBUG --workflow-environment time-skipping
+        run: poe test -s -o log_cli_level=DEBUG --workflow-environment time-skipping --junit-xml=junit-xml/${{ matrix.python }}-${{ matrix.os }}-time-skipping.xml
       # Check cloud if proper target and not on fork
       - if: ${{ matrix.cloudTestTarget && (github.event.pull_request.head.repo.full_name == '' || github.event.pull_request.head.repo.full_name == 'temporalio/sdk-python') }}
-        run: poe test -s -o log_cli_level=DEBUG -k test_cloud_client
+        run: poe test -s -o log_cli_level=DEBUG -k test_cloud_client --junit-xml=junit-xml/${{ matrix.python }}-${{ matrix.os }}-cloud.xml
         env:
           TEMPORAL_CLIENT_CLOUD_API_KEY: ${{ secrets.TEMPORAL_CLIENT_CLOUD_API_KEY }}
           TEMPORAL_CLIENT_CLOUD_API_VERSION: 2024-05-13-00
           TEMPORAL_CLIENT_CLOUD_NAMESPACE: sdk-ci.a2dd6
+      - name: "Upload junit-xml artifacts"
+        uses: actions/upload-artifact@v4
+        if: always()
+        with:
+          name: junit-xml-${{ matrix.python }}-${{ matrix.os }}
+          path: junit-xml
+          retention-days: 30
 
       # Confirm protos are already generated properly with older protobuf
       # library and run test with that older version. We must downgrade protobuf
diff --git a/tests/worker/test_workflow.py b/tests/worker/test_workflow.py
index d922bafa..930f23ac 100644
--- a/tests/worker/test_workflow.py
+++ b/tests/worker/test_workflow.py
@@ -5426,26 +5426,22 @@ async def run(
         if handler_registration == "-late-registered-":
             if handler_dynamism == "-dynamic-":
 
-                async def my_late_registered_dynamic_update(
-                    self, name: str, args: Sequence[RawValue]
-                ) -> str:
+                async def my_late_registered_dynamic_update(*args, **kwargs) -> str:
                     await workflow.wait_condition(lambda: self.handlers_may_finish)
                     return "my-late-registered-dynamic-update-result"
 
-                async def my_late_registered_dynamic_signal(
-                    self, name: str, args: Sequence[RawValue]
-                ) -> None:
+                async def my_late_registered_dynamic_signal(*args, **kwargs) -> None:
                     await workflow.wait_condition(lambda: self.handlers_may_finish)
 
                 workflow.set_dynamic_update_handler(my_late_registered_dynamic_update)
                 workflow.set_dynamic_signal_handler(my_late_registered_dynamic_signal)
             else:
 
-                async def my_late_registered_update(self) -> str:
+                async def my_late_registered_update() -> str:
                     await workflow.wait_condition(lambda: self.handlers_may_finish)
                     return "my-late-registered-update-result"
 
-                async def my_late_registered_signal(self) -> None:
+                async def my_late_registered_signal() -> None:
                     await workflow.wait_condition(lambda: self.handlers_may_finish)
 
                 workflow.set_update_handler(