Fix CI

.github/workflows/CI.yml

 
     steps:
     - uses: actions/checkout@v2
-    - uses: nanasess/setup-chromedriver@master
-      with:
-        chromedriver-version: '79.0.3945.36'
-    - run: |
-        export DISPLAY=:99
-        sudo Xvfb -ac :99 -screen 0 1280x1024x24 > /dev/null 2>&1 & # optional
-        cp .github/workflows/nightwatch.json .
     - name: Use Node.js ${{ matrix.node-version }}
       uses: actions/setup-node@v1
       with:
         node-version: ${{ matrix.node-version }}
+    - run: |
+        export DISPLAY=:99
+        sudo Xvfb -ac :99 -screen 0 1280x1024x24 > /dev/null 2>&1 & # optional
     - run: npm ci
     - run: npm run build --if-present
-    - run: npm test
+    - run: npx nightwatch tests --verbose
       env:
         CI: true

.github/workflows/nightwatch.json

-{
-  "src_folders": ["tests"],
-  "webdriver": {
-    "start_process": true,
-    "server_path": "node_modules/.bin/chromedriver",
-    "port": 9515
-  },
-  "test_settings": {
-    "default": {
-      "desiredCapabilities": {
-        "browserName": "chrome",
-        "javascriptEnabled": true,
-        "acceptSslCerts": true,
-        "chromeOptions": {
-          "prefs": {
-            "intl.accept_languages": "en-US,en"
-          },
-          "args": ["--headless"]
-        }
-      }
-    }
-  }
-}

.gitignore

 
 # Nightwatch test results
 tests_output/
-nightwatch.conf.js

nightwatch.conf.js

+// Autogenerated by Nightwatch
+// Refer to the online docs for more details: https://nightwatchjs.org/gettingstarted/configuration/
+const Services = {}; loadServices();
+
+module.exports = {
+  "src_folders": ["tests"],
+
+  "webdriver": {
+    "start_process": true,
+    "server_path": "./node_modules/.bin/geckodriver",
+    "cli_args": [
+      "--log", "debug"
+    ],
+    "port": 4444
+  },
+
+  "test_settings": {
+    "default": {
+      "desiredCapabilities": {
+        "browserName": "firefox",
+        "acceptInsecureCerts": true,
+        "alwaysMatch": {
+          "moz:firefoxOptions": {
+            "args": ["-headless"]
+          }
+        }
+
+      }
+    }
+  }
+};
+
+function loadServices() {
+  try {
+    Services.seleniumServer = require('selenium-server');
+  } catch (err) { }
+
+  try {
+    Services.chromedriver = require('chromedriver');
+  } catch (err) { }
+
+  try {
+    Services.geckodriver = require('geckodriver');
+  } catch (err) { }
+}