✅ Bump jest and fixes breaking tests.

Author: skellock

package.json

@@ -86,7 +86,7 @@
     "@storybook/react": "^3.3.3",
     "@types/electron-is-dev": "^0.3.0",
     "@types/electron-store": "^1.2.0",
-    "@types/jest": "^21.1.8",
+    "@types/jest": "^22.0.1",
     "@types/mousetrap": "^1.6.0",
     "@types/react": "^16.0.34",
     "@types/react-dom": "^16.0.3",
@@ -98,14 +98,14 @@
     "electron-builder": "^19.52.1",
     "fuse-box": "^3.0.2",
     "husky": "^0.14.3",
-    "jest": "^21.2.1",
+    "jest": "^22.0.4",
     "jest-expect-contain-deep": "^1.0.1",
     "lint-staged": "^6.0.0",
     "npm-run-all": "^4.1.2",
     "prettier": "^1.9.2",
     "react-powerplug": "^0.1.2",
     "react-test-renderer": "^16.2.0",
-    "ts-jest": "^21.2.4",
+    "ts-jest": "^22.0.0",
     "ts-loader": "^3.2.0",
     "ts-node": "^4.1.0",
     "tslint": "^5.8.0",

src/shared/utils/platform/platform.test.ts

@@ -1,16 +1,16 @@
 import { isLinux, isMac, isWindows } from "./platform"
 
 test("detects linux", () => {
-  process.platform = "linux"
+  Object.defineProperty(process, "platform", { value: "linux" })
   expect(isLinux()).toBe(true)
 })
 
 test("detects windows", () => {
-  process.platform = "win32"
+  Object.defineProperty(process, "platform", { value: "win32" })
   expect(isWindows()).toBe(true)
 })
 
 test("detects mac", () => {
-  process.platform = "darwin"
+  Object.defineProperty(process, "platform", { value: "darwin" })
   expect(isMac()).toBe(true)
 })