Apparently, ant-get's dest may not be a directory when getting a single
file? Documentation doesn't really say so :-/
diff --git a/releng/build-scripts/build/test.xml b/releng/build-scripts/build/test.xml
index 45d9a4e..22a6c32 100644
--- a/releng/build-scripts/build/test.xml
+++ b/releng/build-scripts/build/test.xml
@@ -50,7 +50,7 @@
 

 		<echo message="get library.xml"/>

 		<get src="http://git.eclipse.org/c/platform/eclipse.platform.releng.aggregator.git/plain/eclipse.platform.releng.tychoeclipsebuilder/eclipse-junit-tests/src/main/scripts/library.xml"

-				dest="${test.root.dir}"/>

+				dest="${test.root.dir}/library.xml"/>

 

 		<property name="tests.are.setup" value="true"/>

 	</target>