WIP test(fix): fix test

I notied that after the tests, the database wasn't working though it passed all the tests

That's no good.

src/db.rs

@@ -111,7 +111,7 @@ mod tests {
             models::Contact::new("John", "Smith", "[email protected]", "123-456-7890").unwrap();
 
         mock_contact_repo
-            .expect_save()
+            .expect_create()
             .times(1)
             .with(eq(test_contact.clone()))
             .returning(|_| Ok(1));