Tests do not execute on Edge (using BrowserStack)

[pomek]

The main issue: #615

In order to reproduce these issues, please follow this instruction – #615 (comment) – How to run it on my local machine?

[pomek]

This test blocks everything:

should add #formView to the #_balloon and attach the #_balloon to the link element when collapsed selection is inside that link 

When I disabled it, two other tests fail:

• Edge 16.16299.0 (Windows 10 0.0.0) LinkFormView constructor() should create child views FAILED
• Edge 16.16299.0 (Windows 10 0.0.0) UnlinkCommand execute() non-collapsed selection should remove linkHref attribute from selected text and do not modified other attributes FAILED

Edge 16.16299.0 (Windows 10 0.0.0): Executed 129 of 130 (2 FAILED) (skipped 1) (2.541 secs / 0.728 secs)

[pomek]

UnlinkCommand fails because ending of selection is inside a $text element:

expected
'<$text bold="true" linkHref="url">f</$text>[<$text bold="true">ooba]<$text linkHref="url">r</$text></$text>'
to equal
'<$text bold="true" linkHref="url">f</$text>[<$text bold="true">ooba</$text>]<$text bold="true" linkHref="url">r</$text>'

[pomek]

Edge 16.16299.0 (Windows 10 0.0.0) LinkFormView constructor() should create child views failed because of my internal changes. I reverted it and this test passed.