@SamMousa Hello! Did you read issue #6760?
I don't want to break compatibility in CLI. let's see examples:

AS IS

php bin/codecept run unit --coverage-html will generate PHP report + HTML Report
php bin/codecept run unit --coverage will generate PHP report

Version with --coverage-php

php bin/codecept run unit --coverage-html will generate only HTML Report BC changes
php bin/codecept run unit --coverage will generate IDK What - need suggestions
php bin/codecept run unit --coverage-php will generate only PHP Report

Version with --disable-coverage-php

php bin/codecept run unit --coverage-html will generate PHP report + HTML Report No BC
php bin/codecept run unit --coverage will generate only PHP Report No BC
php bin/codecept run unit --coverage-html --disable-coverage-php will generate only HTML Report