Remove .only from x-on.spec (#2545)

* Add Webstorm cach to ignore

* Remove .only from x-on.spec

.gitignore

@@ -2,3 +2,4 @@ node_modules
 scratch.md
 dist/
 .env.json
+.idea

tests/cypress/integration/directives/x-on.spec.js

@@ -97,7 +97,7 @@ test('.stop modifier',
     }
 )
 
-test.only('.capture modifier',
+test('.capture modifier',
     html`
         <div x-data="{ foo: 'bar' }">
             <button @click.capture="foo = 'baz'">