Fixed msbuild-finder test

lib/msbuild-finder.js

@@ -6,34 +6,34 @@ var constants = require('./constants');
 var fs = require('fs');
 var PluginError = gutil.PluginError;
 
-var detectMsBuild15Dir = function(pathRoot) {
+var detectMsBuild15Dir = function (pathRoot) {
   var vs2017Path = path.join(pathRoot, 'Microsoft Visual Studio', '2017');
   var possibleFolders = ['BuildTools', 'Enterprise', 'Professional', 'Community'];
 
-  for(var index = 0; index < possibleFolders.length; index++) {
+  for (var index = 0; index < possibleFolders.length; index++) {
     try {
       var folderPath = path.join(vs2017Path, possibleFolders[index]);
       fs.statSync(folderPath);
       return folderPath;
-    } catch (e) { }
+    } catch (e) {}
   }
 }
 
 // Use MSBuild over XBuild where possible
-var detectLinuxMsBuildExecutable = function() {
+var detectLinuxMsBuildExecutable = function () {
   var msbuildExecutable = 'msbuild';
   var possibleFolders = ['/usr/bin/'];
 
-  for(var index = 0; index < possibleFolders.length; index++) {
+  for (var index = 0; index < possibleFolders.length; index++) {
     try {
       var filePath = path.join(possibleFolders[index], msbuildExecutable);
       fs.statSync(filePath);
       return filePath;
-    } catch (e) { }
+    } catch (e) {}
   }
 }
 
-var autoDetectVersion = function(pathRoot) {
+var autoDetectVersion = function (pathRoot) {
   // Try to detect MSBuild 15.0.
   var msbuild15Dir = detectMsBuild15Dir(pathRoot);
   if (msbuild15Dir) {
@@ -53,7 +53,7 @@ var autoDetectVersion = function(pathRoot) {
 
   if (msbuildDirExists) {
     var msbuildVersions = fs.readdirSync(msbuildDir)
-      .filter(function(entryName) {
+      .filter(function (entryName) {
         var binDirExists = true;
         var binDirPath = path.join(msbuildDir, entryName, 'Bin');
         try {
@@ -75,12 +75,14 @@ var autoDetectVersion = function(pathRoot) {
 };
 
 module.exports.find = function (options) {
-  if (!options.platform.match(/^win/)) {
+  if (options.platform.match(/linux/)) {
     var msbuildPath = detectLinuxMsBuildExecutable();
     if (msbuildPath) {
       return msbuildPath;
     }
     return 'xbuild';
+  } else if (!options.platform.match(/^win/)) {
+    return 'xbuild';
   }
 
   var msbuildRoot;

test/msbuild-finder.js

@@ -16,10 +16,10 @@ describe('msbuild-finder', function () {
   var fs = require('fs');
   var mock;
 
-  it('should use xbuild on linux', function () {
+  it('should use msbuild on linux', function () {
     var result = msbuildFinder.find({ platform: 'linux' });
 
-    expect(result).to.be.equal('xbuild');
+    expect(result).to.include('msbuild');
   });
 
   it('should use xbuild on darwin', function () {