diff --git a/idea/idea-completion/testData/basic/common/ExtendQualifiedClassName.kt b/idea/idea-completion/testData/basic/common/ExtendQualifiedClassName.kt
index 96c32de6523..6221b1fd848 100644
--- a/idea/idea-completion/testData/basic/common/ExtendQualifiedClassName.kt
+++ b/idea/idea-completion/testData/basic/common/ExtendQualifiedClassName.kt
@@ -14,3 +14,4 @@ class A() : Test.SubTest.AnotherTest.<caret> {
 // EXIST: TestClass
 // ABSENT: globalFun
 // ABSENT: globalProp
+// FIR_COMPARISON
\ No newline at end of file
diff --git a/idea/idea-completion/testData/basic/common/InClassInitializer.kt b/idea/idea-completion/testData/basic/common/InClassInitializer.kt
index aa03e6353cc..0450cb3376d 100644
--- a/idea/idea-completion/testData/basic/common/InClassInitializer.kt
+++ b/idea/idea-completion/testData/basic/common/InClassInitializer.kt
@@ -10,3 +10,4 @@ class Some(testParam : Int) {
 }
 
 // EXIST: testParam, testExternal, testing
+// FIR_COMPARISON
\ No newline at end of file
diff --git a/idea/idea-completion/testData/basic/common/InFunInClassInitializer.kt b/idea/idea-completion/testData/basic/common/InFunInClassInitializer.kt
index 35b1132ef5f..36f65bf73a2 100644
--- a/idea/idea-completion/testData/basic/common/InFunInClassInitializer.kt
+++ b/idea/idea-completion/testData/basic/common/InFunInClassInitializer.kt
@@ -8,4 +8,4 @@ class Some(someParam : Int) {
 }
 
 // EXIST: some, someInternal, someParam
-
+// FIR_COMPARISON
\ No newline at end of file
diff --git a/idea/idea-completion/testData/basic/common/InInitializerInPropertyAccessor.kt b/idea/idea-completion/testData/basic/common/InInitializerInPropertyAccessor.kt
index df190addc69..a2932f99a48 100644
--- a/idea/idea-completion/testData/basic/common/InInitializerInPropertyAccessor.kt
+++ b/idea/idea-completion/testData/basic/common/InInitializerInPropertyAccessor.kt
@@ -9,3 +9,4 @@ val test : Int get() {
 }
 
 // EXIST: testGlobal, test, testParam
+// FIR_COMPARISON
\ No newline at end of file
diff --git a/idea/idea-completion/testData/basic/common/InSecondaryConstructorBody.kt b/idea/idea-completion/testData/basic/common/InSecondaryConstructorBody.kt
index 11213b887fb..a9184244d9e 100644
--- a/idea/idea-completion/testData/basic/common/InSecondaryConstructorBody.kt
+++ b/idea/idea-completion/testData/basic/common/InSecondaryConstructorBody.kt
@@ -12,3 +12,4 @@ class A(val prop: Int, arg: Int) {
 
 // EXIST: prop, abc, another, foo, local, topLevel
 // ABSENT: arg
+// FIR_COMPARISON
\ No newline at end of file
diff --git a/idea/idea-completion/testData/basic/common/annotations/ParameterAnnotation6.kt b/idea/idea-completion/testData/basic/common/annotations/ParameterAnnotation6.kt
index 9269e306538..889f3a9bba7 100644
--- a/idea/idea-completion/testData/basic/common/annotations/ParameterAnnotation6.kt
+++ b/idea/idea-completion/testData/basic/common/annotations/ParameterAnnotation6.kt
@@ -1,7 +1,7 @@
 // FIR_COMPARISON
 val v = 1
 
-enum class class InlineOption {
+enum class InlineOption {
     A, B
 }
 
diff --git a/idea/idea-completion/testData/basic/common/annotations/ParameterAnnotationArgs.kt b/idea/idea-completion/testData/basic/common/annotations/ParameterAnnotationArgs.kt
index 33701dda0e3..7cb29d9896a 100644
--- a/idea/idea-completion/testData/basic/common/annotations/ParameterAnnotationArgs.kt
+++ b/idea/idea-completion/testData/basic/common/annotations/ParameterAnnotationArgs.kt
@@ -1,6 +1,6 @@
 val v = 1
 
-enum class class InlineOption {
+enum class InlineOption {
     A, B
 }
 
diff --git a/idea/idea-completion/testData/basic/common/inInitBlock/localVariable.kt b/idea/idea-completion/testData/basic/common/inInitBlock/localVariable.kt
index ef926e79ef3..7155428454d 100644
--- a/idea/idea-completion/testData/basic/common/inInitBlock/localVariable.kt
+++ b/idea/idea-completion/testData/basic/common/inInitBlock/localVariable.kt
@@ -4,4 +4,5 @@ class X {
         <caret>
     }
 }
-// EXIST: y
\ No newline at end of file
+// EXIST: y
+// FIR_COMPARISON
\ No newline at end of file
diff --git a/idea/idea-completion/testData/basic/common/noCompletion/InPackageBegin.kt b/idea/idea-completion/testData/basic/common/noCompletion/InPackageBegin.kt
index 145e0f062cb..3b6a01b21c7 100644
--- a/idea/idea-completion/testData/basic/common/noCompletion/InPackageBegin.kt
+++ b/idea/idea-completion/testData/basic/common/noCompletion/InPackageBegin.kt
@@ -2,4 +2,5 @@ package kttesting<caret>.util
 
 // Test that there won't be package with completion fake suffix
 
-// NUMBER: 0
\ No newline at end of file
+// NUMBER: 0
+// FIR_COMPARISON
\ No newline at end of file
diff --git a/idea/idea-completion/testData/basic/common/primitiveCompletion/localClassConstructor.kt b/idea/idea-completion/testData/basic/common/primitiveCompletion/localClassConstructor.kt
index 27d994eb486..4c835bf3e45 100644
--- a/idea/idea-completion/testData/basic/common/primitiveCompletion/localClassConstructor.kt
+++ b/idea/idea-completion/testData/basic/common/primitiveCompletion/localClassConstructor.kt
@@ -17,4 +17,5 @@ fun topLevelFun(param: T) {
 }
 
 // EXIST: firstVariable, param, constructorParam, localClassField
-// ABSENT: secondVariable
\ No newline at end of file
+// ABSENT: secondVariable
+// FIR_COMPARISON
\ No newline at end of file
diff --git a/idea/idea-completion/testData/basic/common/primitiveCompletion/localClassMember.kt b/idea/idea-completion/testData/basic/common/primitiveCompletion/localClassMember.kt
index 428c7e5bb7c..cac7fb3ef8f 100644
--- a/idea/idea-completion/testData/basic/common/primitiveCompletion/localClassMember.kt
+++ b/idea/idea-completion/testData/basic/common/primitiveCompletion/localClassMember.kt
@@ -17,4 +17,5 @@ fun topLevelFun(param: T) {
 }
 
 // EXIST: firstVariable, param, localClassField, localParam
-// ABSENT: secondVariable
\ No newline at end of file
+// ABSENT: secondVariable
+// FIR_COMPARISON
\ No newline at end of file
diff --git a/idea/idea-completion/testData/handlers/basic/annotation/AnnotationInBrackets.kt b/idea/idea-completion/testData/handlers/basic/annotation/AnnotationInBrackets.kt
index 1b1c9a5a14b..74262aa87d1 100644
--- a/idea/idea-completion/testData/handlers/basic/annotation/AnnotationInBrackets.kt
+++ b/idea/idea-completion/testData/handlers/basic/annotation/AnnotationInBrackets.kt
@@ -7,4 +7,5 @@ class Multiplier {
     var property = 0
 }
 
-// ELEMENT: AnnComplete
\ No newline at end of file
+// ELEMENT: AnnComplete
+// FIR_COMPARISON
\ No newline at end of file
diff --git a/idea/idea-completion/testData/handlers/basic/annotation/AnnotationInBrackets.kt.after b/idea/idea-completion/testData/handlers/basic/annotation/AnnotationInBrackets.kt.after
index 4795add066a..5951d1a7618 100644
--- a/idea/idea-completion/testData/handlers/basic/annotation/AnnotationInBrackets.kt.after
+++ b/idea/idea-completion/testData/handlers/basic/annotation/AnnotationInBrackets.kt.after
@@ -7,4 +7,5 @@ class Multiplier {
     var property = 0
 }
 
-// ELEMENT: AnnComplete
\ No newline at end of file
+// ELEMENT: AnnComplete
+// FIR_COMPARISON
\ No newline at end of file