fix: clean up videos after each test

pytest_playwright/pytest_playwright.py

@@ -521,6 +521,11 @@ def did_finish_test(self, failed: bool) -> None:
                 except Error:
                     # Silent catch empty videos.
                     pass
+        else:
+            for page in self._all_pages:
+                # Can be changed to "if page.video" once https://github.com/microsoft/playwright-python/pull/2410 is released and used.
+                if video_option in ["on", "retain-on-failure"]:
+                    page.video.delete()
 
     def on_did_create_browser_context(self, context: BrowserContext) -> None:
         context.on("page", lambda page: self._all_pages.append(page))