FIR IDE: Assert that the action to invoke in

AbstractHighLevelQuickFixTest is of type QuickFixActionBase.

idea/testData/quickfix/addPropertyAccessors/varHasGetter.kt

@@ -4,4 +4,5 @@ class Test {
         get() {
             return 1
         }
-}
+}
+/* IGNORE_FIR */

idea/testData/quickfix/addPropertyAccessors/varHasGetter.kt.after

@@ -5,4 +5,5 @@ class Test {
             return 1
         }
         set(value) {<caret>}
-}
+}
+/* IGNORE_FIR */

idea/testData/quickfix/addPropertyAccessors/varHasSetter.kt

@@ -3,4 +3,5 @@
 class Test {
     var x: Int<caret>
         set(value) {}
-}
+}
+/* IGNORE_FIR */

idea/testData/quickfix/addPropertyAccessors/varHasSetter.kt.after

@@ -6,4 +6,5 @@ class Test {
             <caret>TODO()
         }
         set(value) {}
-}
+}
+/* IGNORE_FIR */