fix: lint issue (#3660)

test/unit/cli-start.test.js

@@ -54,7 +54,7 @@ describe.skip.appveyor('cli', () => {
     if (timeout === true) {
       console.warn( // eslint-disable-line no-console
         `we were unable to automatically kill the child process with pid: ${
-        nuxtStart.pid
+          nuxtStart.pid
         }`
       )
     }