fix: a bit contrived, but updated to ES6 syntax that was handled poor…

…ly by old Istanbul

test/fixtures/cli/es6.js

@@ -1,17 +1,23 @@
 'use strict'
 
-let probe = () => {
-  let missed = () => {
-    console.log('do not hit')
+class Yarsay {
+  constructor() {
+    console.log('sup')
   }
-}
 
-let b = () => {
-  console.log('hit this method')
-}
+  hit() {
+    console.log('do not hit')
+    let miss = () => {
+      console.log('do not hit')
+    }
+  }
 
-module.exports = () => {
-  console.log('do not hit')
+  miss() {
+    let miss = () => {
+      console.log('do not hit')
+    }
+  }
 }
 
-b()
+let y = new Yarsay()
+y.hit()

test/src/nyc-bin.js

@@ -274,7 +274,7 @@ describe('the nyc cli', function () {
   describe('coverage', function () {
     if (parseInt(process.versions.node.split('.')[0]) < 4) return
     it('reports appropriate coverage information for es6 source files', function (done) {
-      var args = [bin, process.execPath, './es6.js']
+      var args = [bin, '--reporter=lcov', '--reporter=text', process.execPath, './es6.js']
 
       var proc = spawn(process.execPath, args, {
         cwd: fixturesCLI,
@@ -289,7 +289,7 @@ describe('the nyc cli', function () {
       proc.on('close', function (code) {
         code.should.equal(0)
         // we should miss covering the appropriate lines.
-        stdout.should.match(/4,5,14/)
+        stdout.should.match(/11,16,17/)
         done()
       })
     })