diff -U3 /Users/spartacus/Desktop/GSoC/CODE/my_extension/expected/my_extension--regress.out /Users/spartacus/Desktop/GSoC/CODE/my_extension/results/my_extension--regress.out
--- /Users/spartacus/Desktop/GSoC/CODE/my_extension/expected/my_extension--regress.out	2023-06-28 12:59:38.504209000 +0530
+++ /Users/spartacus/Desktop/GSoC/CODE/my_extension/results/my_extension--regress.out	2023-06-28 12:59:59.436285892 +0530
@@ -1,21 +1,20 @@
 -- regression test script for my_extension
-
 -- Create the my_table table
 CREATE TABLE my_table (
   id SERIAL PRIMARY KEY,
   name VARCHAR(100) NOT NULL
 );
-
 -- Delete existing rows from my_table
 DELETE FROM my_table;
-
 -- Verify the data in the my_table table
 SELECT * FROM my_table;
-
  id | name 
 ----+------
+(0 rows)
 
--- Test the add_two function
- add
------
-   3
+-- Test the add function
+SELECT add(1::int, 2::int);
+ERROR:  function add(integer, integer) does not exist
+LINE 1: SELECT add(1::int, 2::int);
+               ^
+HINT:  No function matches the given name and argument types. You might need to add explicit type casts.