diff --git a/__tests__/non-parallel-cases/pjax.commits-page.ts b/__tests__/cases/non-parallel/pjax.commits-page.ts
similarity index 96%
rename from __tests__/non-parallel-cases/pjax.commits-page.ts
rename to __tests__/cases/non-parallel/pjax.commits-page.ts
index dde9484..cdd87bc 100644
--- a/__tests__/non-parallel-cases/pjax.commits-page.ts
+++ b/__tests__/cases/non-parallel/pjax.commits-page.ts
@@ -1,4 +1,4 @@
-import { expectToFind, expectToNotFind, sleep, waitForLegacyPJAXRedirect } from '../utils'
+import { expectToFind, expectToNotFind, sleep, waitForLegacyPJAXRedirect } from '../../utils'
 
 describe(`in Gitako project page`, () => {
   beforeAll(() => page.goto('https://github.com/EnixCoda/Gitako/commits/develop'))
diff --git a/__tests__/non-parallel-cases/pjax.files-page.ts b/__tests__/cases/non-parallel/pjax.files-page.ts
similarity index 96%
rename from __tests__/non-parallel-cases/pjax.files-page.ts
rename to __tests__/cases/non-parallel/pjax.files-page.ts
index 015236e..dddf372 100644
--- a/__tests__/non-parallel-cases/pjax.files-page.ts
+++ b/__tests__/cases/non-parallel/pjax.files-page.ts
@@ -1,4 +1,4 @@
-import { expectToFind, expectToNotFind, sleep, waitForLegacyPJAXRedirect } from '../utils'
+import { expectToFind, expectToNotFind, sleep, waitForLegacyPJAXRedirect } from '../../utils'
 
 describe(`in Gitako project page`, () => {
   beforeAll(() => page.goto('https://github.com/EnixCoda/Gitako/tree/develop/src'))
diff --git a/__tests__/non-parallel-cases/pjax.general.ts b/__tests__/cases/non-parallel/pjax.general.ts
similarity index 94%
rename from __tests__/non-parallel-cases/pjax.general.ts
rename to __tests__/cases/non-parallel/pjax.general.ts
index d915bc1..76657f4 100644
--- a/__tests__/non-parallel-cases/pjax.general.ts
+++ b/__tests__/cases/non-parallel/pjax.general.ts
@@ -4,8 +4,8 @@ import {
   patientClick,
   selectFileTreeItem,
   sleep,
-  waitForLegacyPJAXRedirect,
-} from '../utils'
+  waitForLegacyPJAXRedirect
+} from '../../utils'
 
 describe(`in Gitako project page`, () => {
   beforeAll(() => page.goto('https://github.com/EnixCoda/Gitako/tree/develop/src'))
diff --git a/__tests__/non-parallel-cases/pjax.internal.ts b/__tests__/cases/non-parallel/pjax.internal.ts
similarity index 93%
rename from __tests__/non-parallel-cases/pjax.internal.ts
rename to __tests__/cases/non-parallel/pjax.internal.ts
index b70f5fd..2856405 100644
--- a/__tests__/non-parallel-cases/pjax.internal.ts
+++ b/__tests__/cases/non-parallel/pjax.internal.ts
@@ -5,8 +5,8 @@ import {
   patientClick,
   selectFileTreeItem,
   sleep,
-  waitForPJAXAPIRedirect,
-} from '../utils'
+  waitForPJAXAPIRedirect
+} from '../../utils'
 
 describe(`in Gitako project page`, () => {
   beforeAll(() => page.goto('https://github.com/EnixCoda/Gitako'))
diff --git a/__tests__/non-parallel-cases/project-page.gitako.ts b/__tests__/cases/non-parallel/project-page.gitako.ts
similarity index 98%
rename from __tests__/non-parallel-cases/project-page.gitako.ts
rename to __tests__/cases/non-parallel/project-page.gitako.ts
index 22f99f8..6a831a9 100644
--- a/__tests__/non-parallel-cases/project-page.gitako.ts
+++ b/__tests__/cases/non-parallel/project-page.gitako.ts
@@ -4,7 +4,7 @@ import {
   expectToNotFind,
   scroll,
   selectFileTreeItem
-} from '../utils'
+} from '../../utils'
 
 describe(`in Gitako project page`, () => {
   beforeAll(() => page.goto('https://github.com/EnixCoda/Gitako'))
diff --git a/__tests__/cases/baseline.ts b/__tests__/cases/parallel/baseline.ts
similarity index 92%
rename from __tests__/cases/baseline.ts
rename to __tests__/cases/parallel/baseline.ts
index 71368a7..a8e7a74 100644
--- a/__tests__/cases/baseline.ts
+++ b/__tests__/cases/parallel/baseline.ts
@@ -1,8 +1,8 @@
 /**
- * Make sure some basic behaviors of puppeteer assertions
+ * Confirm basic behaviors of puppeteer assertions
  */
 
-import { expectToFind, expectToNotFind } from '../utils'
+import { expectToFind, expectToNotFind } from '../../utils'
 
 describe(`in random page`, () => {
   beforeAll(() => page.goto('https://google.com'))
diff --git a/__tests__/cases/expand-to-target.ts b/__tests__/cases/parallel/expand-to-target.ts
similarity index 97%
rename from __tests__/cases/expand-to-target.ts
rename to __tests__/cases/parallel/expand-to-target.ts
index bb55683..4be5dc0 100644
--- a/__tests__/cases/expand-to-target.ts
+++ b/__tests__/cases/parallel/expand-to-target.ts
@@ -3,7 +3,7 @@ import {
   selectFileTreeItem,
   sleep,
   waitForLegacyPJAXRedirect
-} from '../utils'
+} from '../../utils'
 
 describe(`in Gitako project page`, () => {
   beforeAll(() => page.goto('https://github.com/EnixCoda/Gitako/tree/develop/src'))
diff --git a/__tests__/cases/homepage.not-render.ts b/__tests__/cases/parallel/homepage.not-render.ts
similarity index 82%
rename from __tests__/cases/homepage.not-render.ts
rename to __tests__/cases/parallel/homepage.not-render.ts
index 1a326a7..8d67007 100644
--- a/__tests__/cases/homepage.not-render.ts
+++ b/__tests__/cases/parallel/homepage.not-render.ts
@@ -1,4 +1,4 @@
-import { expectToNotFind } from '../utils'
+import { expectToNotFind } from '../../utils'
 
 describe(`in GitHub homepage`, () => {
   beforeAll(() => page.goto('https://github.com'))
diff --git a/__tests__/cases/pull-request-page.gitako.ts b/__tests__/cases/parallel/pull-request-page.gitako.ts
similarity index 89%
rename from __tests__/cases/pull-request-page.gitako.ts
rename to __tests__/cases/parallel/pull-request-page.gitako.ts
index 00c7c18..a502711 100644
--- a/__tests__/cases/pull-request-page.gitako.ts
+++ b/__tests__/cases/parallel/pull-request-page.gitako.ts
@@ -1,4 +1,4 @@
-import { expectToFind } from '../utils'
+import { expectToFind } from '../../utils'
 
 describe(`in Gitako project page`, () => {
   beforeAll(() => page.goto('https://github.com/EnixCoda/Gitako/pull/71'))
diff --git a/__tests__/jest.non-parallel.config.js b/__tests__/jest.non-parallel.config.js
new file mode 100644
index 0000000..358ffd7
--- /dev/null
+++ b/__tests__/jest.non-parallel.config.js
@@ -0,0 +1,7 @@
+const baseConfig = require('../jest.config')
+
+module.exports = {
+  ...baseConfig,
+  maxWorkers: 1,
+  testMatch: [...baseConfig.testMatch, '**/__tests__/cases/non-parallel/*.ts?(x)'],
+}
diff --git a/__tests__/jest.parallel.config.js b/__tests__/jest.parallel.config.js
new file mode 100644
index 0000000..1bef81e
--- /dev/null
+++ b/__tests__/jest.parallel.config.js
@@ -0,0 +1,6 @@
+const baseConfig = require('../jest.config')
+
+module.exports = {
+  ...baseConfig,
+  testMatch: [...baseConfig.testMatch, '**/__tests__/cases/parallel/*.ts?(x)'],
+}
diff --git a/jest.config.js b/jest.config.js
index f13eb4d..d9cf6da 100644
--- a/jest.config.js
+++ b/jest.config.js
@@ -141,7 +141,7 @@ module.exports = {
   // testLocationInResults: false,
 
   // The glob patterns Jest uses to detect test files
-  testMatch: ['**/__tests__/cases/*.ts?(x)', '**/?(*.)+(spec|test).ts?(x)'],
+  testMatch: ['**/?(*.)+(spec|test).ts?(x)'],
 
   // An array of regexp pattern strings that are matched against all test paths, matched tests are skipped
   testPathIgnorePatterns: ['/node_modules/', '.d.ts$', '<rootDir>/vscode-icons/'],
diff --git a/jest.non.parallel.config.js b/jest.non.parallel.config.js
deleted file mode 100644
index 74dc653..0000000
--- a/jest.non.parallel.config.js
+++ /dev/null
@@ -1,7 +0,0 @@
-const baseConfig = require('./jest.config')
-
-module.exports = {
-  ...baseConfig,
-  maxWorkers: 1,
-  testMatch: ['**/__tests__/non-parallel-cases/*.ts?(x)'],
-}
diff --git a/package.json b/package.json
index 2f7deb3..91574f6 100644
--- a/package.json
+++ b/package.json
@@ -15,8 +15,8 @@
     "build": "VERSION=v$(node scripts/get-version.js) NODE_ENV=production webpack",
     "roll": "make release",
     "test": "yarn run test:parallel && yarn run test:non-parallel",
-    "test:parallel": "NODE_ENV=test jest",
-    "test:non-parallel": "NODE_ENV=test jest --config jest.non.parallel.config.js"
+    "test:parallel": "NODE_ENV=test jest --config __tests__/jest.parallel.config.js",
+    "test:non-parallel": "NODE_ENV=test jest --config __tests__/jest.non-parallel.config.js"
   },
   "dependencies": {
     "@primer/components": "^22.0.2",