fix: show edge icon for tests run with microsoft edge

[kevinkuszyk]

This is the fix for #25.

I've updated the templates, and one of the json result files to test that it renders correctly with npm run test

As you can see it renders correctly now:

[coveralls]

Coverage remained the same at 98.742% when pulling 2bd1fc4 on kevinkuszyk:fix-edge-browser-icon into 1cae8ea on wswebcreation:master.

[kevinkuszyk]

I had to add a new npm run script as npm run unit.test.coverage didn't work on my windows machine here.

As you can see the tests are passing again now.