Use trees in test instead of commits
Use trees in test instead of commits

dleehr/objective-git,libgit2/objective-git,tiennou/objective-git,blackpixel/objective-git,dleehr/objective-git,libgit2/objective-git,blackpixel/objective-git,tiennou/objective-git,dleehr/objective-git,alehed/objective-git,blackpixel/objective-git,alehed/objective-git,libgit2/objective-git,tiennou/objective-git,alehed/objective-git,libgit2/objective-git,dleehr/objective-git,blackpixel/objective-git