fix: 🐛 headless test not working

Author: DmitryEfimenko

package.json

@@ -13,10 +13,11 @@
     "commit": "git-cz",
     "release:first": "npm run release -- --first-release",
     "build:lib": "ng build ngx-errors --prod",
-    "test:lib": "ng test ngx-errors --code-coverage",
+    "test:lib": "ng test ngx-errors",
+    "test:lib:headless": "cross-env CI=true npm run test:lib",
+    "test:lib:coverage": "npm run test:lib -- --code-coverage",
     "postbuild:lib": "copyfiles README.md logo.png dist/ngx-errors",
-    "release": "cd projects/ngx-errors && standard-version --infile ../../CHANGELOG.md",
-    "test:lib:headless": "cross-env CI=true npm run test:lib"
+    "release": "cd projects/ngx-errors && standard-version --infile ../../CHANGELOG.md"
   },
   "private": true,
   "dependencies": {

projects/ngx-errors/karma.conf.js

@@ -26,8 +26,8 @@ module.exports = function (config) {
     colors: true,
     logLevel: config.LOG_INFO,
     autoWatch: true,
-    browsers: ['Chrome'],
-    singleRun: false,
+    browsers: [process.env.CI ? 'ChromeHeadless' : 'Chrome'],
+    singleRun: process.env.CI,
     restartOnFileChange: true,
   });
 };