Fix ava config

ava.config.js

@@ -1,5 +1,9 @@
 export default {
   files: ['test/*.js'],
   require: ['./test/util/setup.js'],
-  verbose: true
+  verbose: true,
+  environmentVariables: {
+    GITHUB_TOKEN: '1',
+    GITLAB_TOKEN: '1'
+  }
 };

test/github.js

@@ -248,6 +248,8 @@ test('should throw for non-collaborator', async t => {
 });
 
 test.serial('should skip authentication and collaborator checks when running on GitHub Actions', async t => {
+  const GITHUB_ACTIONS = process.env.GITHUB_ACTIONS;
+  const GITHUB_ACTOR = process.env.GITHUB_ACTOR;
   process.env.GITHUB_ACTIONS = 1;
   process.env.GITHUB_ACTOR = 'release-it';
 
@@ -264,8 +266,8 @@ test.serial('should skip authentication and collaborator checks when running on
 
   authStub.restore();
   collaboratorStub.restore();
-  delete process.env.GITHUB_ACTIONS;
-  delete process.env.GITHUB_ACTOR;
+  process.env.GITHUB_ACTIONS = GITHUB_ACTIONS;
+  process.env.GITHUB_ACTOR = GITHUB_ACTOR;
 });
 
 test('should handle octokit client error (without retries)', async t => {

test/util/setup.js

@@ -1,17 +1,5 @@
 import shelljs from 'shelljs';
 import nock from 'nock';
-import test from 'ava';
 
 shelljs.config.silent = true;
 nock.disableNetConnect();
-
-const { GITHUB_TOKEN, GITLAB_TOKEN, GITHUB_ACTIONS, GITHUB_ACTOR } = process.env;
-
-process.env.GITHUB_TOKEN = process.env.GITLAB_TOKEN = 1;
-
-test.after.always(() => {
-  process.env.GITHUB_TOKEN = GITHUB_TOKEN;
-  process.env.GITLAB_TOKEN = GITLAB_TOKEN;
-  process.env.GITHUB_ACTIONS = GITHUB_ACTIONS;
-  process.env.GITHUB_ACTOR = GITHUB_ACTOR;
-});