Fix BEAM-10956

Change-Id: Ied7a07ce16ebb1e155692666335a6dae498a01ea

Author: Sam Rohde

sdks/python/apache_beam/runners/interactive/pipeline_instrument_test.py

@@ -278,8 +278,7 @@ def test_instrument_example_pipeline_to_read_cache(self):
     second_pcoll_cache_key = self.cache_key_of('second_pcoll', second_pcoll)
     self._mock_write_cache(p_origin, [b'1', b'4', b'9'], second_pcoll_cache_key)
     # Mark the completeness of PCollections from the original(user) pipeline.
-    ie.current_env().mark_pcollection_computed(
-        (p_origin, init_pcoll, second_pcoll))
+    ie.current_env().mark_pcollection_computed((init_pcoll, second_pcoll))
     instr.build_pipeline_instrument(p_copy)
 
     cached_init_pcoll = (