diff --git a/idea/idea-completion/testData/basic/common/InClassPropertyAccessor.kt b/idea/idea-completion/testData/basic/common/InClassPropertyAccessor.kt
index 459ab23103c..f2f697aaeac 100644
--- a/idea/idea-completion/testData/basic/common/InClassPropertyAccessor.kt
+++ b/idea/idea-completion/testData/basic/common/InClassPropertyAccessor.kt
@@ -1,3 +1,4 @@
+// FIR_COMPARISON
 class Test(val testParam : Int) {
   val x : Int get() {
       val test = 12
diff --git a/idea/idea-completion/testData/basic/common/InfixCallNoSpecialLambdaArgumentItem.kt b/idea/idea-completion/testData/basic/common/InfixCallNoSpecialLambdaArgumentItem.kt
index a2822d69787..074f6758edd 100644
--- a/idea/idea-completion/testData/basic/common/InfixCallNoSpecialLambdaArgumentItem.kt
+++ b/idea/idea-completion/testData/basic/common/InfixCallNoSpecialLambdaArgumentItem.kt
@@ -1,3 +1,4 @@
+// FIR_COMPARISON
 // checks that no special item "ext1 { String, Int -> ... }" created for infix call
 infix fun Int.ext1(handler: (String, Int) -> Unit){}
 infix fun Int.ext2(c: Char){}