Removed test "utils" folder

refs https://github.com/TryGhost/Team/issues/1076

- The members-csv package does not use "should" for assertions anymore, so the accompanying "utils" lib can go away now

ghost/members-csv/test/utils/assertions.js

@@ -1,11 +0,0 @@
-/**
- * Custom Should Assertions
- *
- * Add any custom assertions to this file.
- */
-
-// Example Assertion
-// should.Assertion.add('ExampleAssertion', function () {
-//     this.params = {operator: 'to be a valid Example Assertion'};
-//     this.obj.should.be.an.Object;
-// });

ghost/members-csv/test/utils/index.js

@@ -1,11 +0,0 @@
-/**
- * Test Utilities
- *
- * Shared utils for writing tests
- */
-
-// Require overrides - these add globals for tests
-require('./overrides');
-
-// Require assertions - adds custom should assertions
-require('./assertions');

ghost/members-csv/test/utils/overrides.js

@@ -1,10 +0,0 @@
-// This file is required before any test is run
-
-// Taken from the should wiki, this is how to make should global
-// Should is a global in our eslint test config
-global.should = require('should').noConflict();
-should.extend();
-
-// Sinon is a simple case
-// Sinon is a global in our eslint test config
-global.sinon = require('sinon');