refs https://github.com/TryGhost/Toolbox/issues/138
- First batch of the refactor to async/await syntax. Next one will cover the rest. Doing these refactors before modifying "testUtils.startGhost" everywhere to boot only with the backend
refs https://github.com/TryGhost/Toolbox/issues/138
- Having the "ghost" alias only added cognitive load when reading through the test code and didn't provide any additional value. Removed the pattern to keep things simpler and more explicit