Quickfix and intention tests refactoring: refer to intention action by class when checking that it's not available (instead of listing all available actions)

idea/testData/quickfix/override/nothingToOverride/beforeNoOpenSuperFunction.kt

@@ -1,10 +1,5 @@
-// "Change function signature to 'override fun f(a: Int)'" "false"
+// "class org.jetbrains.jet.plugin.quickfix.ChangeMemberFunctionSignatureFix" "false"
 // ERROR: 'f' overrides nothing
-// ACTION: Add 'open fun f(a: String)' to 'A'
-// ACTION: Remove 'override' modifier
-// ACTION: Convert to extension
-// ACTION: Disable 'Convert to extension'
-// ACTION: Edit intention settings
 open class A {
     open fun foo() {}
     fun f(a: Int) {}