diff --git a/compiler/tests-common/org/jetbrains/kotlin/test/testFramework/mock/MockPsiDocumentManager.java b/compiler/tests-common/org/jetbrains/kotlin/test/testFramework/mock/MockPsiDocumentManager.java
index 812636f983b..0b339b40d52 100644
--- a/compiler/tests-common/org/jetbrains/kotlin/test/testFramework/mock/MockPsiDocumentManager.java
+++ b/compiler/tests-common/org/jetbrains/kotlin/test/testFramework/mock/MockPsiDocumentManager.java
@@ -139,6 +139,11 @@ public class MockPsiDocumentManager extends PsiDocumentManager {
     throw new UnsupportedOperationException();
   }
 
+  @Override
+  public void performLaterWhenAllCommitted(@NotNull Runnable runnable) {
+    throw new UnsupportedOperationException();
+  }
+
   @Override
   public void reparseFiles(@NotNull Collection<VirtualFile> files, boolean includeOpenFiles) {
     throw new UnsupportedOperationException();