public void DependencyGraphGenerator_BuildGraph_WhenGraphDataNull_ExpectErrorGraph()
{
//------------Setup for test--------------------------
const string expected = "Dependency information could not be retrieved";
var dependencyGraphGenerator = new DependencyGraphGenerator();
//------------Execute Test---------------------------
var result = dependencyGraphGenerator.BuildGraph(null, "Test Model", 0, 0);
//------------Assert Results-------------------------
StringAssert.Contains(result.Title, expected);
}