fix(exportVariables/test): wrap in test (#12992)

ui/src/variables/utils/hydrateVars.test.ts

@@ -41,6 +41,7 @@ class FakeFetcher implements ValueFetcher {
 
 describe('hydrate vars', () => {
   describe('exportVariables', () => {
+    test('should find variable exports', () => {
       const a = createVariable('a', 'f(x: v.b, v.c)')
       const b = createVariable('b', 'beep')
       const c = createVariable('c', 'robit')
@@ -51,6 +52,7 @@ describe('hydrate vars', () => {
 
       expect(actual).toEqual([a, b, c])
     })
+  })
 
   test('should invalidate cyclic subgraphs', async () => {
     // Construct the following graph: