(deps): use jest-without-globals to import jest globals

- no more globals used in tests!

- also seems like we don't need @types/jest here, jest's internal
  types seem to be enough for our usage
  - and now that we're importing the globals, we don't need to
    reference any types ourselves

Author: agilgur5

package-lock.json

@@ -40,7 +40,7 @@
   "dependencies": {},
   "devDependencies": {
     "@agilgur5/changelog-maker": "^3.0.0",
-    "@types/jest": "^24.0.23",
+    "jest-without-globals": "^0.0.2",
     "mobx": "^5.11.0",
     "mobx-state-tree": "^3.14.0",
     "tsdx": "github:agilgur5/tsdx#dist",

package.json

@@ -3,7 +3,7 @@
  */
 // add tests in this file that are specific to node (vs. jsdom)
 
-/// <reference types="@types/jest" />
+import { describe, it, expect } from 'jest-without-globals'
 
 import { persist } from '../src/index'
 import { UserStoreF } from './fixtures'

test/index.node.spec.ts

@@ -1,4 +1,4 @@
-/// <reference types="@types/jest" />
+import { describe, it, expect, beforeEach } from 'jest-without-globals'
 import { getSnapshot } from 'mobx-state-tree'
 
 import { persist } from '../src/index'