Check compatibility with GO FastCGI server implementation

[hollodotme]

See: https://golang.org/pkg/net/http/fcgi/

[tommy-muehle]

Could help here. Did you've a test scenario in mind?

[hollodotme]

Basically the scenario would be to run the test suite against a go fastCGI docker image. Probably this would need some adjustments in the settings for the connection provider to distinguish between server types.

The socket connections itself can be found in the PHPUnit config.