fix(tests): add openid .well-known endpoint test
fix(tests): add openid .well-known endpoint test

shane-tomlinson/fxa-content-server,vladikoff/fxa-content-server,swatilk/fxa-content-server,vladikoff/fxa-content-server,shane-tomlinson/fxa-content-server,vladikoff/fxa-content-server,swatilk/fxa-content-server,swatilk/fxa-content-server,mozilla/fxa-content-server,mozilla/fxa-content-server,shane-tomlinson/fxa-content-server,mozilla/fxa-content-server