public void DoesntAddAReferenceToTheScriptsProjectIfItAlreadyExists()
{
var fileSystem = new MockFileSystem(new Dictionary<string, MockFileData>
{
{_solutionPath, new MockFileData(_projectReferenceString)}
});
var solutionEditor = new ScriptsSolutionEditor(fileSystem, _sourceCodeDirectory);
solutionEditor.AddScriptsProjectsToSolution();
Assert.AreEqual(_projectReferenceString, new MockFile(fileSystem).ReadAllText(_solutionPath));
}