add empty tests for scalar functions

Author: zacMode

test/sql/parse_tools/scalar_functions/parse_table_names.test

@@ -0,0 +1,12 @@
+# name: test/sql/parser_tools/scalar_functions/parse_table_names.test
+# description: test parse_table_names scalar function
+# group: [parse_table_names]
+
+# Before we load the extension, this will fail
+statement error
+SELECT parse_table_names('select * from MyTable');
+----
+Catalog Error: Scalar Function with name parse_table_names does not exist!
+
+# Require statement will ensure this test is run with this extension loaded
+require parser_tools

test/sql/parse_tools/scalar_functions/parse_tables.test

@@ -0,0 +1,12 @@
+# name: test/sql/parser_tools/scalar_functions/parse_tables.test
+# description: test parse_tables table function
+# group: [parse_tables]
+
+# Before we load the extension, this will fail
+statement error
+SELECT parse_tables('select 1');
+----
+Catalog Error: Scalar Function with name parse_tables does not exist!
+
+# Require statement will ensure this test is run with this extension loaded
+require parser_tools