docs(guide/Unit Testing): Changed $scope = {} to $scope = $rootScope.…

[lisapfisterer]

…$new()

{} will just create an empty object. This will break if the module uses for example $watch or others.

What kind of change does this PR introduce? (Bug fix, feature, docs update, ...)

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[lisapfisterer]

I signed it!

[petebacondarwin]

I guess that although in this case it is not necessary it doesn't do any harm and is more general.

[Narretz]

Looks like the CLA didn't go through. Did you make sure the email address is the same as the one in the commit?

[lisapfisterer]

I signed it.

[googlebot]

CLAs look good, thanks!

[googlebot]

CLAs look good, thanks!

[Narretz]

Thanks @lisapfisterer !