echo Writes any ^<ParamName^>:^<Value^> pair to the test settings file for JavaScript bindings tests.
echo.
echo The file will be erased before new values are added.
echo.
echo If no values are specified, the existing file will not be modified.
echo.
echo Current settings available are: [SpeechSubscriptionKey:^<key^>] [SpeechRegion:^<region^>] [LuisSubscriptionKey:^<LuisKey^>] [LuisRegion:^<region^>] [LuidAppId:^<LuisAppId^>]
echo.
echo Once settings are written, executes the JS unit tests and if the settings file was created, it will be deleted.