$ sudo USE="${USE} test-framework" emerge -pvt xmlpull-api

These are the packages that would be merged, in reverse order:

Calculating dependencies... done!

emerge: there are no ebuilds to satisfy "=dev-java/commons-lang-2.3*".
(dependency required by "dev-java/maven-core-2.1_pre20071021" [ebuild])
(dependency required by "dev-java/maven-2.1-r1" [ebuild])
(dependency required by "dev-java/xmlpull-api-1.1.3.4c" [ebuild])
(dependency required by "xmlpull-api" [argument])

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