Add Environment Name To Descriptor Unique Signatures (#5294)
Add Environment Name To Descriptor Unique Signatures (#5294)

* src/Codeception/Test/Descriptor.php: getTestSignatureUnique

- add the current environment name to unique signatures
- closes codeception/phpunit-wrapper#4

* src/Codeception/Test/Descriptor.php: getTestSignatureUnique()

Issue: codeception/phpunit-wrapper#4

- initialise $env and $example as empty strings
- keep empty string values for concatenation if there's no scenario or example

Codeception/base,Codeception/base,Codeception/Codeception,Codeception/Codeception,Codeception/base,Naktibalda/Codeception,Naktibalda/Codeception,Naktibalda/Codeception