ci: use progress formatter

appveyor.yml

@@ -6,11 +6,11 @@ cache:
 environment:
   matrix:
     - nodejs_version: '8'
-      test_script: 'test -- -- --format progress'
+      test_script: 'test'
     - nodejs_version: '6'
-      test_script: 'test -- -- --format progress'
+      test_script: 'test'
     - nodejs_version: '4'
-      test_script: 'feature-test -- --format progress --profile node-4'
+      test_script: 'feature-test -- --profile node-4'
 
 install:
   - ps: Install-Product node $env:nodejs_version

cucumber.js

@@ -1,11 +1,11 @@
 var common = [
   '--compiler js:babel-register',
-  '--format progress-bar',
+  `--format ${process.env.CI ? 'progress' : 'progress-bar'}`,
   '--format rerun:@rerun.txt',
   '--format usage:usage.txt'
 ].join(' ')
 
 module.exports = {
-  'default': common,
-  'node-4': common + ' --tags "not @node-6"',
-};
+  default: common,
+  'node-4': common + ' --tags "not @node-6"'
+}