update tests

Author: jbrockmendel

pandas/tests/io/parser/test_multi_thread.py

@@ -155,5 +155,5 @@ def test_multi_thread_path_multipart_read_csv(tmp_path, all_parsers):
     result = _generate_multi_thread_dataframe(parser, path, num_rows, num_tasks)
 
     expected = df[:]
-    expected["date"] = expected["date"].astype("M8[s]")
+    expected["date"] = expected["date"].astype("M8[us]")
     tm.assert_frame_equal(result, expected)

pandas/tests/io/test_gcs.py

@@ -119,7 +119,7 @@ def from_uri(path):
 
     expected = df1[:]
     if format in ["csv", "excel"]:
-        expected["dt"] = expected["dt"].dt.as_unit("s")
+        expected["dt"] = expected["dt"].dt.as_unit("us")
 
     tm.assert_frame_equal(df2, expected)