diff --git a/compiler/fir/analysis-tests/testData/resolveWithStdlib/j+k/genericGetterForJavaOverriddenProperty.fir.txt b/compiler/fir/analysis-tests/testData/resolveWithStdlib/j+k/genericGetterForJavaOverriddenProperty.fir.txt
index e7f0af1949f..dee787ff6c0 100644
--- a/compiler/fir/analysis-tests/testData/resolveWithStdlib/j+k/genericGetterForJavaOverriddenProperty.fir.txt
+++ b/compiler/fir/analysis-tests/testData/resolveWithStdlib/j+k/genericGetterForJavaOverriddenProperty.fir.txt
@@ -1,5 +1,5 @@
 FILE: test.kt
-    public final class Base : R|kotlin/Any| {
+    public open class Base : R|kotlin/Any| {
         public constructor(x: R|kotlin/Any|): R|Base| {
             super<R|kotlin/Any|>()
         }
diff --git a/compiler/fir/analysis-tests/testData/resolveWithStdlib/j+k/genericGetterForJavaOverriddenProperty.kt b/compiler/fir/analysis-tests/testData/resolveWithStdlib/j+k/genericGetterForJavaOverriddenProperty.kt
index 69b94e0efe0..0d4bac71a0b 100644
--- a/compiler/fir/analysis-tests/testData/resolveWithStdlib/j+k/genericGetterForJavaOverriddenProperty.kt
+++ b/compiler/fir/analysis-tests/testData/resolveWithStdlib/j+k/genericGetterForJavaOverriddenProperty.kt
@@ -8,7 +8,7 @@ public class Some extends Base {
 
 // FILE: test.kt
 
-class Base(val x: Any) {
+open class Base(val x: Any) {
     fun <T> getFoo(): T = x <!UNCHECKED_CAST!>as T<!>
 }
 
diff --git a/compiler/fir/analysis-tests/testData/resolveWithStdlib/j+k/genericGetterForJavaOverriddenProperty2.fir.txt b/compiler/fir/analysis-tests/testData/resolveWithStdlib/j+k/genericGetterForJavaOverriddenProperty2.fir.txt
index bba47689844..00f37b55f04 100644
--- a/compiler/fir/analysis-tests/testData/resolveWithStdlib/j+k/genericGetterForJavaOverriddenProperty2.fir.txt
+++ b/compiler/fir/analysis-tests/testData/resolveWithStdlib/j+k/genericGetterForJavaOverriddenProperty2.fir.txt
@@ -1,5 +1,5 @@
 FILE: test.kt
-    public final class Base : R|kotlin/Any| {
+    public open class Base : R|kotlin/Any| {
         public constructor(foo: R|kotlin/Any|): R|Base| {
             super<R|kotlin/Any|>()
         }
diff --git a/compiler/fir/analysis-tests/testData/resolveWithStdlib/j+k/genericGetterForJavaOverriddenProperty2.kt b/compiler/fir/analysis-tests/testData/resolveWithStdlib/j+k/genericGetterForJavaOverriddenProperty2.kt
index b0de7c29dc4..55433f76e61 100644
--- a/compiler/fir/analysis-tests/testData/resolveWithStdlib/j+k/genericGetterForJavaOverriddenProperty2.kt
+++ b/compiler/fir/analysis-tests/testData/resolveWithStdlib/j+k/genericGetterForJavaOverriddenProperty2.kt
@@ -8,7 +8,7 @@ public class Some extends Base {
 
 // FILE: test.kt
 
-class Base(internal val foo: Any) {
+open class Base(internal val foo: Any) {
     fun <T> getFoo(): T = foo <!UNCHECKED_CAST!>as T<!>
 }