Update TESTING.md

Author: adamint

TESTING.md

@@ -3,23 +3,23 @@
 We use [Spek](https://github.com/spekframework/spek) to run unit tests. You must add Maven Central to the gradle repositories 
 in order to pull Spek.
 
-To run **only** public endpoint tests, run
+To run any test, you must have two environment variables, `SPOTIFY_CLIENT_ID` and `SPOTIFY_CLIENT_SECRET` set to a Spotify application in your current shell.
 
-`gradle test -PclientId=YOUR_CLIENT_ID -PclientSecret=YOUR_CLIENT_SECRET`
+To run **only** public endpoint and utility tests, run `gradle check`
 
-To run **all** tests, you need a valid Spotify application, redirect uri, and token string. use:
+To run **all** tests, you need a valid Spotify redirect uri, and token (string). These are `SPOTIFY_REDIRECT_URI` and `SPOTIFY_TOKEN_STRING` respectively.
 
-`gradle test -PclientId=YOUR_CLIENT_ID -PclientSecret=YOUR_CLIENT_SECRET -PspotifyRedirectUri=SPOTIFY_REDIRECT_URI -PspotifyTokenString=SPOTIFY_TOKEN`
+Then: `gradle check`
 
 Some tests may fail if you do not allow access to all required scopes. To mitigate this, you can individually grant 
 each scope or use the following code snippet to print out the Spotify token string (given a generated authorization code)
 
 **How to generate an authorization URL**
 ```kotlin
-import com.adamratzman.spotify.main.SpotifyScope
-import com.adamratzman.spotify.main.spotifyApi
+import com.adamratzman.spotify.SpotifyScope
+import com.adamratzman.spotify.spotifyClientApi
 
-spotifyApi {
+spotifyClientApi {
     credentials {
         clientId = "YOUR_CLIENT_ID"
         clientSecret = "YOUR_CLIENT_SECRET"
@@ -31,16 +31,16 @@ spotifyApi {
 
 **How to get a Spotify token**
 ```kotlin
-import com.adamratzman.spotify.main.spotifyApi
+import com.adamratzman.spotify.spotifyClientApi
 
-spotifyApi { 
-    credentials { 
+spotifyClientApi {
+    credentials {
         clientId = "YOUR_CLIENT_ID"
         clientSecret = "YOUR_CLIENT_SECRET"
         redirectUri = "YOUR_REDIRECT_URI"
     }
-    clientAuthentication { 
+    authorization {
         authorizationCode = "SPOTIFY_AUTHORIZATION_CODE"
     }
-}.buildClient().token.access_token.let { println(it) }
+}.build().token.accessToken.let { println(it) }
 ```