diff --git a/src/harness/fourslash.ts b/src/harness/fourslash.ts
index a846077a85f..2b6f6ee8d0e 100644
--- a/src/harness/fourslash.ts
+++ b/src/harness/fourslash.ts
@@ -588,14 +588,21 @@ namespace FourSlash {
             }
         }
 
-        public verifyCompletionListItemsCountIsGreaterThan(count: number) {
+        public verifyCompletionListItemsCountIsGreaterThan(count: number, negative: boolean) {
             this.taoInvalidReason = "verifyCompletionListItemsCountIsGreaterThan NYI";
 
             let completions = this.getCompletionListAtCaret();
             let itemsCount = completions.entries.length;
 
-            if (itemsCount <= count) {
-                this.raiseError(`Expected completion list items count to be greater than ${count}, but is actually ${itemsCount}`);
+            if (negative) {
+                if (itemsCount > count) {
+                    this.raiseError(`Expected completion list items count to not be greater than ${count}, but is actually ${itemsCount}`);
+                }
+            }
+            else {
+                if (itemsCount <= count) {
+                    this.raiseError(`Expected completion list items count to be greater than ${count}, but is actually ${itemsCount}`);
+                }
             }
         }
 
diff --git a/tests/cases/fourslash/fourslash.ts b/tests/cases/fourslash/fourslash.ts
index 42cfc1248b0..8d1ee35dc1a 100644
--- a/tests/cases/fourslash/fourslash.ts
+++ b/tests/cases/fourslash/fourslash.ts
@@ -205,7 +205,7 @@ module FourSlashInterface {
         // Verifies the completion list items count to be greater than the specified amount. The
         // completion list is brought up if necessary
         public completionListItemsCountIsGreaterThan(count: number) {
-            FourSlash.currentTestState.verifyCompletionListItemsCountIsGreaterThan(count);
+            FourSlash.currentTestState.verifyCompletionListItemsCountIsGreaterThan(count, this.negative);
         }
 
         public completionListIsEmpty() {