fix: Replace mock KitListener with an anonymous implementation in constructor (#42)

Author: Mansi-mParticle

src/test/kotlin/com/mparticle/kits/RoktKitTests.kt

@@ -625,7 +625,15 @@ class RoktKitTests {
 
         override fun getLaunchAction(): String? = null
 
-        override fun getKitListener(): KitListener = KitListener.EMPTY
-
+        override fun getKitListener(): KitListener {
+            return object : KitListener {
+                override fun kitFound(kitId: Int) {}
+                override fun kitConfigReceived(kitId: Int, configuration: String?) {}
+                override fun kitExcluded(kitId: Int, reason: String?) {}
+                override fun kitStarted(kitId: Int) {}
+                override fun onKitApiCalled(kitId: Int, used: Boolean?, vararg objects: Any?) {}
+                override fun onKitApiCalled(methodName: String?, kitId: Int, used: Boolean?, vararg objects: Any?) {}
+            }
+        }
     }
 }