add more tests

Author: Jack Ye

tests/catalog/test_base.py

@@ -291,7 +291,14 @@ def given_catalog_has_a_table(
     )
 
 
-def test_load_catalog_does_not_exist() -> None:
+def test_load_catalog_impl_not_full_path() -> None:
+    with pytest.raises(ValueError) as exc_info:
+        load_catalog("catalog", **{PY_CATALOG_IMPL: "CustomCatalog"})
+
+    assert "py-catalog-impl should be full path (module.CustomCatalog), got: CustomCatalog" in str(exc_info.value)
+
+
+def test_load_catalog_impl_does_not_exist() -> None:
     with pytest.raises(ValueError) as exc_info:
         load_catalog("catalog", **{PY_CATALOG_IMPL: "pyiceberg.does.not.exist.Catalog"})