standard-tests: a standard unit and integration test set (#20182)

just chat models for now

.github/scripts/check_diff.py

@@ -47,6 +47,13 @@ if __name__ == "__main__":
                     found = True
                 if found:
                     dirs_to_run["extended-test"].add(dir_)
+        elif file.startswith("libs/standard-tests"):
+            # TODO: update to include all packages that rely on standard-tests (all partner packages)
+            # note: won't run on external repo partners
+            dirs_to_run["lint"].add("libs/standard-tests")
+            dirs_to_run["test"].add("libs/partners/mistralai")
+            dirs_to_run["test"].add("libs/partners/openai")
+
         elif file.startswith("libs/cli"):
             # todo: add cli makefile
             pass