> 'set libraryDependencies := Seq("junit" % "junit" % "3.8.1" % "test")'
> check 3.8.1
> 'set dependencyOverrides := Set("junit" % "junit" % "4.5")'
> check 4.5

> 'set libraryDependencies := Seq("junit" % "junit" % "4.5" % "test")'
> check 4.5
> 'set dependencyOverrides := Set("junit" % "junit" % "3.8.1")'
> check 3.8.1

> 'set libraryDependencies := Seq("net.databinder" %% "dispatch-http" % "0.8.7")'
> check 0.8.7
> 'set dependencyOverrides := Set("net.databinder" %% "dispatch-http" % "0.8.6")'
> check 0.8.6

> 'set libraryDependencies := Seq("net.databinder" %% "dispatch-http" % "0.8.6")'
> check 0.8.6
> 'set dependencyOverrides := Set("net.databinder" %% "dispatch-http" % "0.8.7")'
> check 0.8.7
