chore(tests): fixes OS-based difference in git log output

Windows git and *nix git output of the log command treats empty lines differently. Windows trims the
spaces while *nix leaves them intact. This means that when comparing output in a test, we need to
take into account whether the output of the os when determining if the test failed or not.

Author: jimthedev

test/tests/commit.js

@@ -1,6 +1,7 @@
 import {expect} from 'chai';
-import path from 'path';
 import fs from 'fs';
+import os from 'os';
+import path from 'path';
 import _ from 'lodash';
 
 import inquirer from 'inquirer';
@@ -79,13 +80,24 @@ describe('commit', function() {
 
     // SETUP
 
-    let dummyCommitMessage = `sip sip sippin on jnkjnkjn
-    some sizzurp`;
+    // Don't trim or delete the spacing in this commit message!
 
-    dummyCommitMessage = `sip sip sippin on jnkjnkjn
+    // Git on *nix retains spaces on lines with only spaces
+    // The blank line of this block should have 4 spaces. 
+    let nixCommitMessage = 
+    `sip sip sippin on jnkjnkjn
     
     some sizzurp`;
 
+    // Git on win32 removes spaces from lines with only spaces
+    // The blank line of this block should have no spaces
+    let windowsCommitMessage = 
+    `sip sip sippin on jnkjnkjn
+
+    some sizzurp`;
+    
+    let dummyCommitMessage = (os.platform == 'win32') ? windowsCommitMessage : nixCommitMessage; 
+    
     // Describe a repo and some files to add and commit
     let repoConfig = {
       path: config.paths.endUserRepo,