fix: respect nsconfig file on `tns test` command
fix: respect nsconfig file on `tns test` command

Rel to:
NativeScript/nativescript-angular#1310
NativeScript/nativescript-cli#4244

NathanaelA/nativescript-cli,NathanaelA/nativescript-cli,NativeScript/nativescript-cli,NathanaelA/nativescript-cli,NativeScript/nativescript-cli,NathanaelA/nativescript-cli,NativeScript/nativescript-cli,NativeScript/nativescript-cli