testStatistics v2.2 for Codeception 2.2RC2

Changelog

• #3 Adds support for Codeception 2.2RC2 (Related issue Codeception/Codeception#3024. thanks @DavertMik for the fix)

Teststatistics 2.1 for Codeception

v2.1

Testatistics 2.1 (Compatible with Codeception 2.1 and earlier)