diff --git a/platform/lang-impl/src/com/intellij/psi/impl/search/PsiSearchHelperImpl.java b/platform/lang-impl/src/com/intellij/psi/impl/search/PsiSearchHelperImpl.java
index 676d3b81ba69..15d6995c4c41 100644
--- a/platform/lang-impl/src/com/intellij/psi/impl/search/PsiSearchHelperImpl.java
+++ b/platform/lang-impl/src/com/intellij/psi/impl/search/PsiSearchHelperImpl.java
@@ -844,7 +844,7 @@ public class PsiSearchHelperImpl implements PsiSearchHelper {
       }
     }); 
 
-    if (set == null || set.size() > 1000) {
+    if (set == null || set.size() > 1000 && !ApplicationManager.getApplication().isUnitTestMode()) {
       return SearchCostResult.TOO_MANY_OCCURRENCES;
     }