diff --git a/app/jsx/assignments_2/teacher/test-utils.js b/app/jsx/assignments_2/teacher/test-utils.js
index ad68480a5f0..97313424651 100644
--- a/app/jsx/assignments_2/teacher/test-utils.js
+++ b/app/jsx/assignments_2/teacher/test-utils.js
@@ -222,9 +222,8 @@ export function itBehavesLikeADialog({
   confirmDialogOpen,
   getCancelDialogElt
 }) {
-  /* eslint-disable jest/no-disabled-tests */
   // skipped because the close tests regularly timeout in jenkins
-  describe.skip('behaves like a dialog', () => {
+  describe('behaves like a dialog', () => {
     async function openTheDialog() {
       const fns = await render()
       const openDialogTrigger = getOpenDialogElt(fns)
@@ -251,5 +250,4 @@ export function itBehavesLikeADialog({
       expect(await waitForNoElement(() => confirmDialogOpen(fns))).toBe(true)
     })
   })
-  /* eslint-enable jest/no-disabled-tests */
 }
diff --git a/package.json b/package.json
index 6a6a4c259d1..f16daa962d2 100644
--- a/package.json
+++ b/package.json
@@ -234,7 +234,7 @@
   },
   "repository": "instructure/canvas-lms",
   "scripts": {
-    "test": "concurrently --names \"packages,jest,karma\" \"yarn test:packages\" \"if [ \"$COVERAGE\" ]; then yarn test:jest:coverage; else yarn test:jest; fi\" \"if [ \"$COVERAGE\" ]; then yarn test:karma; else yarn test:karma:concurrently; fi\"",
+    "test": "concurrently --names \"packages,jest,karma\" \"yarn test:packages\" \"if [ \"$COVERAGE\" ]; then yarn test:jest:coverage --maxWorkers 1; else yarn test:jest --maxWorkers 1; fi\" \"if [ \"$COVERAGE\" ]; then yarn test:karma; else yarn test:karma:concurrently; fi\"",
     "test:coverage": "script/generate_js_coverage",
     "test:watch": "concurrently --names \"jest,karma\" \"jest --watch .\" \"yarn test:karma:watch\"",
     "test:jest": "jest --color",