update testdata for https://github.com/JetBrains/kotlin/pull/896/

idea/testData/quickfix/override/implementMemberFromAbstractClass.kt.after

@@ -1,10 +1,11 @@
 // "Implement members" "true"
+// WITH_RUNTIME
 abstract class A {
     abstract fun foo()
 }
 
 class B : A() {
     override fun foo() {
-        throw UnsupportedOperationException("not implemented") //To change body of created functions use File | Settings | File Templates.
+        TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
     }
 }