Create from usage: Added tests.

idea/testData/quickfix/createFromUsage/get/afterCreateGetFromUsage13.kt

@@ -0,0 +1,13 @@
+// "Create method 'get' from usage" "true"
+import java.util.ArrayList
+
+class Foo<T> {
+    fun bar(arg: String) { }
+    fun <T, V> x (y: Foo<List<T>>, w: ArrayList<V>) {
+        val z = y["", w]
+        bar(z)
+    }
+    fun <V> get(s: String, w: ArrayList<V>): String {
+        throw Exception("not implemented") //To change body of created methods use File | Settings | File Templates.
+    }
+}