fix gradle build

Author: LabyStudio

build.gradle

@@ -20,20 +20,6 @@ dependencies {
     implementation group: 'net.java.dev.jna', name: 'jna-platform', version: '4.5.0'
 }
 
-sourceSets {
-    main {
-        java {
-            srcDir 'src/main/java'
-            srcDir 'src/test/java'
-        }
-
-        resources {
-            srcDir 'src/main/resources'
-            srcDir 'src/test/resources'
-        }
-    }
-}
-
 java {
     withSourcesJar()
     withJavadocJar()

src/test/java/SpotifyDirectTest.java

@@ -1,3 +1,5 @@
+package de.labystudio.spotifyapi.example;
+
 import de.labystudio.spotifyapi.SpotifyAPI;
 import de.labystudio.spotifyapi.SpotifyAPIFactory;
 

src/test/java/SpotifyListenerTest.java

@@ -1,3 +1,5 @@
+package de.labystudio.spotifyapi.example;
+
 import de.labystudio.spotifyapi.SpotifyAPI;
 import de.labystudio.spotifyapi.SpotifyAPIFactory;
 import de.labystudio.spotifyapi.SpotifyListener;