adding more unit tests to improve coverage

[gokulk16]

No description provided.

[sentry-io]

🔍 Existing Issues For Review

Your pull request is modifying functions with the following pre-existing issues:

📄 File: js/editor.js

Function	Unhandled Issue
init	TypeError: Cannot read properties of undefined (reading 'length') ... Event Count: 14 Affected Users: 1
init	TypeError: Cannot read properties of undefined (reading 'appendChild') ... Event Count: 6 Affected Users: 1
parse	TypeError: Cannot read properties of undefined (reading 'length') ... Event Count: 5 Affected Users: 1

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[github-actions]

Coverage Report

Status	Category	Percentage	Covered / Total
🔵	Lines	65.6% ⬆️ +7.05%	660 / 1006
🔵	Statements	65.6% ⬆️ +7.05%	660 / 1006
🔵	Functions	68.42% ⬆️ +14.98%	39 / 57
🔵	Branches	74.4% ⬆️ +3.11%	93 / 125

File Coverage

File	Stmts	% Branch	% Funcs	% Lines	Uncovered Lines
Changed Files
js/editor.js	60.14%	77.1%	64.28%	60.14%	32, 35-36, 42-48, 50-53, 67-72, 80-84, 114-117, 123-124, 155-156, 186-190, 193-202, 204-244, 246-265, 267-274, 277-307, 313-317, 322-323, 326-335, 373-376, 400, 411-416, 429-431, 438-468, 489-490, 515-530, 532-536, 567-568, 594-598, 600-605, 607-611, 631-633, 635-659, 673-674

Generated in workflow #28