FIX: make travis happy again, take 2

Author: royriojas

test/fixtures/basic/results.txt

@@ -1,4 +1,4 @@
-]50;CurrentDir=/Users/roy/royws/eslint-friendly-formatter
+]50;CurrentDir=/path/to/working/directory
   ⚠  http://eslint.org/docs/rules/no-unused-vars   path is defined but never used                    
   index.js:8:2
     path = require( 'path' ),

test/fixtures/fatal/results.txt

@@ -1,4 +1,4 @@
-]50;CurrentDir=/Users/roy/royws/eslint-friendly-formatter
+]50;CurrentDir=/path/to/working/directory
   ✘  http://eslint.org/docs/rules/  Unexpected token {  
   index.js:3:13
 

test/fixtures/missing-line-column/results.txt

@@ -1,4 +1,4 @@
-]50;CurrentDir=/Users/roy/royws/eslint-friendly-formatter
+]50;CurrentDir=/path/to/working/directory
   ⚠  http://eslint.org/docs/rules/                 path is defined but never used                    
   index.js:0:0
     path = require( 'path' ),

test/fixtures/missing-messages/results.txt

@@ -1,4 +1,4 @@
-]50;CurrentDir=/Users/roy/royws/eslint-friendly-formatter
+]50;CurrentDir=/path/to/working/directory
   ✘  http://eslint.org/docs/rules/curly            Expected { after 'if' condition                   
   test/runner.js:41:2
     if ( err ) console.log( 'failed tests: ' + err );

test/fixtures/missing-rule-id/results.txt

@@ -1,4 +1,4 @@
-]50;CurrentDir=/Users/roy/royws/eslint-friendly-formatter
+]50;CurrentDir=/path/to/working/directory
   ⚠  http://eslint.org/docs/rules/                 path is defined but never used                    
   index.js:8:2
     path = require( 'path' ),

test/fixtures/single-error/results.txt

@@ -1,4 +1,4 @@
-]50;CurrentDir=/Users/roy/royws/eslint-friendly-formatter
+]50;CurrentDir=/path/to/working/directory
   ⚠  http://eslint.org/docs/rules/no-unused-vars   path is defined but never used                    
   index.js:8:2
     path = require( 'path' ),

test/specs/index.js

@@ -24,6 +24,9 @@ describe('eslint-friendly-formatter', function() {
       './process': {
         env: {
           EFF_NO_GRAY: 'false'
+        },
+        cwd: function cwd() {
+          return '/path/to/working/directory';
         }
       }
     });