Small code changes for unit tests purposes.
Revert "composer.json with phpunit and phpunit-vcr"

This reverts commit aab014f6b80fb88526b43b04b73a2e639b1b40a6.
Revert "composer.json with phpunit and phpunit-vcr"

This reverts commit ef10eeba74bff91a54d9db3f14ac0fb9082111bd.
Small code changes for unit tests purposes.
Parser, Helper and Call unit tests.