fix: render tests for quoted column names

[saravmajestic]

Overview

Problem

Doc editor does not display tests for quoted columns

Solution

In manifest, quoted column name are stored with extra quotes for tests. So, modified testParser to remove extra quotes

Screenshot/Demo

How to test

• create quoted column
• add tests in schema.yml
• doc editor should show the tests

Checklist

• [x] I have run this code and it appears to resolve the stated issue
• [ ] README.md updated and added information about my change