Correcting exisiting grammar and adding test cases

[Vishalk91-4]

…ected attributes

1. Does this PR affect any open issues?(Y/N) and add issue references (e.g. "fix #123", "re #123".):

• [ ] N
• [x] Y

re #2 #### 2. What is the scope of this PR (e.g. component or file name):

• grammar.js
• grammar.json
• node-types.json
• test/corpus
• parser.c

3. Provide a description of the PR(e.g. more details, effects, motivations or doc link):

• [ ] Affects user behaviors
• [x] Contains syntax changes
• [ ] Contains variable changes
• [ ] Contains experimental features
• [ ] Performance regression: Consumes more CPU
• [ ] Performance regression: Consumes more Memory
• [ ] Other

This PR completes the below tasks

• [x] Decorator Test Cases
• [x] Unification test cases
• [x] Attribute correction
• [x] Grammar and test case for Raw String
• [x] Adding More grammar for config and Test cases for Config_expr
• [x] Adding Test cases for Quant any and all

4. Are there any breaking changes?(Y/N) and describe the breaking changes(e.g. more details, motivations or doc link):

• [x] N
• [ ] Y

5. Are there test cases for these changes?(Y/N) select and add more details, references or doc links:

• [ ] Unit test
• [ ] Integration test
• [ ] Benchmark (add benchmark stats below)
• [ ] Manual test (add detailed scripts or steps below)
• [ ] Other

[Vishalk91-4]

@Peefy I'm working on this PR The checklist of the tasks, I am going to complete is mentioned above I'll finish the checklist, then open this PR up, if it's fine with you

[Vishalk91-4]

@Peefy, It's ready for review