fix test

Author: kevinjqliu

tests/integration/test_reads.py

@@ -651,10 +651,10 @@ def test_scan_branch(catalog: Catalog, format_version: int) -> None:
 def test_filter_on_new_column(catalog: Catalog) -> None:
     test_table_add_column = catalog.load_table("default.test_table_add_column")
     arrow_table = test_table_add_column.scan(row_filter="b == '2'").to_arrow()
-    assert arrow_table["b"].to_pylist() == ["2"]
+    assert arrow_table["b"].to_pylist() == ["2", None]
 
     arrow_table = test_table_add_column.scan(row_filter="b is not null").to_arrow()
-    assert arrow_table["b"].to_pylist() == ["2"]
+    assert arrow_table["b"].to_pylist() == ["2", None]
 
     arrow_table = test_table_add_column.scan(row_filter="b is null").to_arrow()
     assert arrow_table["b"].to_pylist() == [None]
@@ -668,7 +668,7 @@ def test_filter_case_sensitive_by_default(catalog: Catalog) -> None:
     assert "2" in arrow_table["b"].to_pylist()
 
     arrow_table = test_table_add_column.scan(row_filter="b == '2'").to_arrow()
-    assert arrow_table["b"].to_pylist() == ["2"]
+    assert arrow_table["b"].to_pylist() == ["2", None]
 
     with pytest.raises(ValueError) as e:
         _ = test_table_add_column.scan(row_filter="B == '2'").to_arrow()
@@ -683,7 +683,7 @@ def test_filter_case_sensitive(catalog: Catalog) -> None:
     assert "2" in arrow_table["b"].to_pylist()
 
     arrow_table = test_table_add_column.scan(row_filter="b == '2'", case_sensitive=True).to_arrow()
-    assert arrow_table["b"].to_pylist() == ["2"]
+    assert arrow_table["b"].to_pylist() == ["2", None]
 
     with pytest.raises(ValueError) as e:
         _ = test_table_add_column.scan(row_filter="B == '2'", case_sensitive=True).to_arrow()
@@ -698,10 +698,10 @@ def test_filter_case_insensitive(catalog: Catalog) -> None:
     assert "2" in arrow_table["b"].to_pylist()
 
     arrow_table = test_table_add_column.scan(row_filter="b == '2'", case_sensitive=False).to_arrow()
-    assert arrow_table["b"].to_pylist() == ["2"]
+    assert arrow_table["b"].to_pylist() == ["2", None]
 
     arrow_table = test_table_add_column.scan(row_filter="B == '2'", case_sensitive=False).to_arrow()
-    assert arrow_table["b"].to_pylist() == ["2"]
+    assert arrow_table["b"].to_pylist() == ["2", None]
 
 
 @pytest.mark.integration