Catalog tests around nonexistent tables + namespaces (#2990)

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# Rationale for this change
More catalog tests! I wanted to add tests around renaming nonexistent
tables/namespaces, as well as loading nonexistent tables.

The great news is that these are working as intended across all of our
catalogs!

## Are these changes tested?
Just tests.

## Are there any user-facing changes?
Just tests.

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Author: rambleraptor

tests/integration/test_catalog.py

@@ -823,3 +823,40 @@ def test_drop_nonexistent_namespace(test_catalog: Catalog) -> None:
     namespace = ("non_existent_namespace",)
     with pytest.raises(NoSuchNamespaceError):
         test_catalog.drop_namespace(namespace)
+
+
+@pytest.mark.integration
+@pytest.mark.parametrize("test_catalog", CATALOGS)
+def test_rename_table_missing_source_table(test_catalog: Catalog, table_name: str, database_name: str) -> None:
+    test_catalog.create_namespace_if_not_exists(database_name)
+    identifier = (database_name, table_name)
+    new_identifier = (database_name, f"rename-{table_name}")
+
+    with pytest.raises(NoSuchTableError):
+        test_catalog.rename_table(identifier, new_identifier)
+
+
+@pytest.mark.integration
+@pytest.mark.parametrize("test_catalog", CATALOGS)
+def test_rename_table_destination_namespace_missing(
+    test_catalog: Catalog, table_schema_nested: Schema, table_name: str, database_name: str
+) -> None:
+    test_catalog.create_namespace_if_not_exists(database_name)
+    identifier = (database_name, table_name)
+    test_catalog.create_table(identifier, table_schema_nested)
+
+    new_database_name = "non_existent_namespace"
+    new_identifier = (new_database_name, table_name)
+
+    with pytest.raises(NoSuchNamespaceError):
+        test_catalog.rename_table(identifier, new_identifier)
+
+
+@pytest.mark.integration
+@pytest.mark.parametrize("test_catalog", CATALOGS)
+def test_load_missing_table(test_catalog: Catalog, database_name: str, table_name: str) -> None:
+    test_catalog.create_namespace_if_not_exists(database_name)
+    identifier = (database_name, table_name)
+
+    with pytest.raises(NoSuchTableError):
+        test_catalog.load_table(identifier)