* Add AuthHelper::addAuthenticationHeader() test on missing authentication credentials.
* Add AuthHelper::addAuthenticationHeader() test on bearer password.
* Add AuthHelper::addAuthenticationHeader() test on Github token.
* Add AuthHelper::addAuthenticationHeader() test on Gitlab Oauth token.
* Add $authenticationDisplayMessage write expectation to AuthHelper::addAuthenticationHeader() tests.
* Add AuthHelper::addAuthenticationHeader() test on Gitlab private token.
* Add AuthHelper::addAuthenticationHeader() test on Bitbucket Oauth token.
* Add AuthHelper::addAuthenticationHeader() test on Bitbucket public urls.
* Add AuthHelper::addAuthenticationHeader() test on Basic Http Authentication.
* Add AuthHelper::isPublicBitBucketDownload() tests.
* Rename AuthHelperTest $credentials variable to $auth.
* Add AuthHelper::storeAuth() test for auto-store option.
* Add AuthHelper::storeAuth() test for user prompt and y(es) answer.
* Add AuthHelper::storeAuth() test for user prompt and n(o) answer.
* Add AuthHelper::storeAuth() test for user prompt with invalid answer.
* Add AuthHelper::promptAuthIfNeeded() test for Github authentication failure.
- add GitHub hard dependency mock (new GitHub(...) mock)
* Run AuthHelper::promptAuthIfNeeded() tests only with PHP > 5.3
* Run AuthHelper::promptAuthIfNeeded() tests only with PHP >= 5.4
* Run AuthHelper::promptAuthIfNeeded() tests only with PHP 5.4
* Exclude PHPStan analyses of '../tests/Composer/Test/Util/Mocks/*'
* Exclude AuthHelper::promptAuthIfNeeded() tests from current pull request.
* Extract repetitive AuthHelperTest authentication expectation into a method.
The only automatic conflict we have results from packages using the same name
either by literally having the same name and being different versions or they
replace the same name, so
- removed all types of obsolete rules
- simplified rule generation significantly
- got rid of provide filtering in the pool
- fixed some language in error handling