Remove testing flags parse after change in Go 1.13
Remove testing flags parse after change in Go 1.13

After Go 1.13, tests should not call flag.Parse during package
initialization. Explanation: https://golang.org/doc/go1.13#testing

This change removes the call of flag.Parse inside init. The flags
defined in tests are working without problems even without the call.

nstratos/go-myanimelist