diff --git a/frontend/src/container/Trace/TraceGraphFilter/utils.test.ts b/frontend/src/container/Trace/TraceGraphFilter/utils.test.ts
new file mode 100644
index 0000000000..24787194b3
--- /dev/null
+++ b/frontend/src/container/Trace/TraceGraphFilter/utils.test.ts
@@ -0,0 +1,27 @@
+import { selectedGroupByValue } from './utils';
+
+const options = [
+	{
+		value: '1',
+		label: '1',
+	},
+	{
+		value: '2',
+		label: '2',
+	},
+];
+
+describe('TraceGraphFilter/utils', () => {
+	it('should return the correct value', () => {
+		const selectedGroupBy = '1';
+		const result = selectedGroupByValue(selectedGroupBy, options);
+		expect(result).toEqual(selectedGroupBy);
+	});
+
+	it('should return the correct value when selectedOption not found', () => {
+		const selectedGroupBy = '3';
+
+		const result = selectedGroupByValue(selectedGroupBy, options);
+		expect(result).toEqual(selectedGroupBy);
+	});
+});