False negatives on test 'Image displays with default attributes.'

Testing locally, I'm getting false negatives in the new macro tests. The test 'Image displays with default attributes.' is coming back false. The issue appears to be that the test is looking for 'height="100" width="100"' but my verbose log is showing those attributes in the reverse order 'width="100" height="100"'.

I propose we simply break this one test into two, one to check the height and the other to check the width.