Add test for Hydra json schema factory
Add test for Hydra json schema factory

soyuka/core,jdeniau/DunglasApiBundle,soyuka/core,api-platform/core,teohhanhui/api-platform-core,meyerbaptiste/core,soyuka/core,soyuka/core,jdeniau/DunglasApiBundle,api-platform/core,meyerbaptiste/core,teohhanhui/DunglasApiBundle,vincentchalamon/core,soyuka/DunglasApiBundle,jdeniau/DunglasApiBundle,teohhanhui/api-platform-core,teohhanhui/api-platform-core,api-platform/core,meyerbaptiste/core,vincentchalamon/core,jdeniau/DunglasApiBundle,vincentchalamon/core,meyerbaptiste/core,api-platform/core,vincentchalamon/core,teohhanhui/api-platform-core