upgrade to prettier 2 (#5051)

* arrowParens: avoid
* remove trailingComma setting

services/github/github-commit-activity.tester.js

@@ -3,19 +3,15 @@
 const { isMetricOverTimePeriod } = require('../test-validators')
 const t = (module.exports = require('../tester').createServiceTester())
 
-t.create('commit activity (1 year)')
-  .get('/y/eslint/eslint.json')
-  .expectBadge({
-    label: 'commit activity',
-    message: isMetricOverTimePeriod,
-  })
+t.create('commit activity (1 year)').get('/y/eslint/eslint.json').expectBadge({
+  label: 'commit activity',
+  message: isMetricOverTimePeriod,
+})
 
-t.create('commit activity (1 month)')
-  .get('/m/eslint/eslint.json')
-  .expectBadge({
-    label: 'commit activity',
-    message: isMetricOverTimePeriod,
-  })
+t.create('commit activity (1 month)').get('/m/eslint/eslint.json').expectBadge({
+  label: 'commit activity',
+  message: isMetricOverTimePeriod,
+})
 
 t.create('commit activity (4 weeks)')
   .get('/4w/eslint/eslint.json')
@@ -24,12 +20,10 @@ t.create('commit activity (4 weeks)')
     message: isMetricOverTimePeriod,
   })
 
-t.create('commit activity (1 week)')
-  .get('/w/eslint/eslint.json')
-  .expectBadge({
-    label: 'commit activity',
-    message: isMetricOverTimePeriod,
-  })
+t.create('commit activity (1 week)').get('/w/eslint/eslint.json').expectBadge({
+  label: 'commit activity',
+  message: isMetricOverTimePeriod,
+})
 
 t.create('commit activity (repo not found)')
   .get('/w/badges/helmets.json')