fixing tests

Author: chelsea-lin

tests/system/small/operations/test_strings.py

@@ -634,7 +634,7 @@ def test_getitem_w_array(index):
 
 
 def test_getitem_w_struct_array():
-    if packaging.version.Version(pd.__version__) <= packaging.version.Version("1.5.0"):
+    if packaging.version.Version(pd.__version__) <= packaging.version.Version("1.5.3"):
         pytest.skip("https://github.com/googleapis/python-bigquery/issues/1992")
 
     pa_struct = pa.struct(