cli: fix unit test for windows

cli/package.json

@@ -54,6 +54,7 @@
     "babel-preset-es2015": "^6.24.1",
     "bin-up": "^1.1.0",
     "chai": "^3.5.0",
+    "chai-string": "1.4.0",
     "clear-module": "^2.1.0",
     "dependency-check": "^2.8.0",
     "execa-wrap": "1.1.0",

cli/test/lib/tasks/info_spec.js

@@ -81,6 +81,13 @@ describe('info', function () {
     })
   })
 
+  context('.getPathToExecutable', function () {
+    it('resolves path on windows', function () {
+      this.sandbox.stub(os, 'platform').returns('win32')
+      expect(info.getPathToExecutable()).to.endWith('.exe')
+    })
+  })
+
   context('.getPathToUserExecutableDir', function () {
     it('resolves path on macOS', function () {
       this.sandbox.stub(os, 'platform').returns('darwin')
@@ -92,9 +99,14 @@ describe('info', function () {
       expect(info.getPathToUserExecutableDir()).to.equal(path.join(installationDir, 'Cypress'))
     })
 
-    it('rejects on anything else', function () {
+    it('resolves path on windows', function () {
       this.sandbox.stub(os, 'platform').returns('win32')
-      expect(() => info.getPathToUserExecutableDir()).to.throw('Platform: "win32" is not supported.')
+      expect(info.getPathToUserExecutableDir()).to.endWith('Cypress')
+    })
+
+    it('rejects on anything else', function () {
+      this.sandbox.stub(os, 'platform').returns('unknown')
+      expect(() => info.getPathToUserExecutableDir()).to.throw('Platform: "unknown" is not supported.')
     })
   })
 

cli/test/spec_helper.js

@@ -7,6 +7,7 @@ global.lib = path.join(__dirname, '..', 'lib')
 
 require('chai')
   .use(require('@cypress/sinon-chai'))
+  .use(require('chai-string'))
 
 beforeEach(function () {
   this.sandbox = sinon.sandbox.create().usingPromise(Promise)