Set fixed precision value to avoid round related issues
Create a separate JLanguage instance for JHelpTest
Added rounding fix to the generatecss task too
Merge pull request #4695 from SniperSister/tests-bootstrap

Set fixed precision avoid rounding related issues while executing the unit tests
Improving Tests for archive Package

used more specific asserts
reordered code
simplified test code
Merge remote-tracking branch 'joomla/pr/4790' into staging
Fix expectation in JToolbarButtonHelpTest that it was being translated