For some reason I can't open the test explorer window in Visual Studio 2012. I click Test->Windows->Test Explorer and nothing happens...
This problem may have been caused by recently uninstalling DotCover. I did this because my licence expired and I was having issues running tests without it (context menus weren't working).
Any suggestions or advice much appreciated!
Thanks.
Window -> Reset Window Layout fixed the problem for me.
For me the fix was:
Using Win+Left / Right to move the window onto an active screen
The same worked for the ReSharper Unit Test Sessions window.
As a brutal fix I actually decided to reset all VS settings (not ideal as you lose all your custom settings like formatting and debugging preferences!).
To do this open up a cmd line and cd to the VS directory (mine was C:\Program Files (x86)\Microsoft Visual Studio 11.0\Common7\IDE) and type:
Hope this helps someone in the future...