Jon Schoning c9737cf97d
[haskell-http-client] add cli option customTestInstanceModule (#2406)
setting `customTestInstanceModule` will import typeclasses from the
specified module into tests/Instances.hs, to provide typeclass
instances for types not known by the generator

this property set using `--additional-properties`

example:
```
--additional-properties=customTestInstanceModule=CustomInstances
```
2019-03-15 07:34:46 -05:00
..
2019-02-10 09:25:20 +09:00
2019-01-22 16:23:16 +08:00