You can now set the browser via command line parameters

[ghufrankhan]

Description

Bug fix - You can now set the browser via command line parameters If setting browser via command line, using -Dbrowser=chrome will set context.browser_name to "chrome"

Checklist

• [x] New and/or updated tests
• [x] All the unit tests are passing. This is enforced automatically as part of the pull request, but we'd appreciate you running locally first.
• [x] Linting score remains above threshold. This is enforced automatically as part of the pull request, but we'd appreciate you running locally first.
• [x] Changes log in CHANGELOG