diff --git a/native/commonizer/tests/org/jetbrains/kotlin/commonizer/core/AbstractCommonizerTest.kt b/native/commonizer/tests/org/jetbrains/kotlin/commonizer/core/AbstractCommonizerTest.kt
index 7e69e59ce78..1561d796de3 100644
--- a/native/commonizer/tests/org/jetbrains/kotlin/commonizer/core/AbstractCommonizerTest.kt
+++ b/native/commonizer/tests/org/jetbrains/kotlin/commonizer/core/AbstractCommonizerTest.kt
@@ -48,6 +48,9 @@ abstract class AbstractCommonizerTest<T, R> {
         val commonized = createCommonizer().apply {
             variants.forEachIndexed { index, variant ->
                 val result = commonizeWith(variant)
+                if (index == variants.lastIndex) {
+                    if (this.result == null) failInEmptyState()
+                }
                 if (index >= failureIndex) assertFalse(result, "Expected to fail at index $index")
                 else assertTrue(result, "Expected to not fail at index $index")
             }