Create from usage: Added tests.

idea/testData/quickfix/createFromUsage/get/afterCreateGetFromUsage12.kt

@@ -0,0 +1,9 @@
+// "Create method 'get' from usage" "true"
+class Foo<T> {
+    fun get(s: String, w: T): Any {
+        throw Exception("not implemented") //To change body of created methods use File | Settings | File Templates.
+    }
+}
+fun <T> x (y: Foo<List<T>>, w: java.util.ArrayList<T>) {
+    val z = y["", w]
+}