Fix ESLint issues

[mehra-sourav]

Issue Description

The recent update in the package versions has caused ESLint to throw some errors over some unlinted files. Those files need to be linted.

Expected Behavior

All files in this repo are expected to follow ESLint rules

Current Behavior

~64 files are not following some updated ESLint rules, namely the consistent-spacing-between-blocks rule introduced in v10.3.0 of eslint-plugin-mocha.

Screenshots

Reproducibility

• [x] This issue is reproducible
• [ ] This issue is not reproducible

Steps to Reproduce

1. Remove node_modules (if present)
2. Reinstall packages using yarn install

Severity/Priority

• [ ] Critical
• [x] High
• [ ] Medium
• [ ] Low

Checklist

• [x] I have read and followed the project's code of conduct.
• [x] I have searched for similar issues before creating this one.
• [x] I have provided all the necessary information to understand and reproduce the issue.
• [x] I am willing to contribute to the resolution of this issue.