diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 0cc0978..234ca78 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -14,5 +14,5 @@ jobs:
         with:
           go-version: '1.19'
       - run: go get -t -v ./...
-      - run: go test -race -coverprofile=coverage.out -covermode=atomic
+      - run: go test -race -coverprofile=coverage.out -covermode=atomic -timeout 5s
       - uses: codecov/codecov-action@v3
diff --git a/melody_test.go b/melody_test.go
index 653945a..d1098cf 100644
--- a/melody_test.go
+++ b/melody_test.go
@@ -661,6 +661,7 @@ func TestSessionKeysConcurrent(t *testing.T) {
 
 		go func() {
 			s.Set("test", TestMsg)
+
 			v1, exists := s.Get("test")
 
 			assert.True(t, exists)
@@ -675,6 +676,22 @@ func TestSessionKeysConcurrent(t *testing.T) {
 	}
 
 	wg.Wait()
+
+	for i := 0; i < 100; i++ {
+		wg.Add(1)
+
+		go func() {
+			s.UnSet("test")
+
+			_, exists := s.Get("test")
+
+			assert.False(t, exists)
+
+			wg.Done()
+		}()
+	}
+
+	wg.Wait()
 }
 
 func TestMisc(t *testing.T) {