Avoid putting test output outside target/
Avoid putting test output outside target/

When we switched to use ToolProvider's JavaC to run the annotator, we
forgot that the annotations would be written to the current directory,
e.g. ${basedir}.

Signed-off-by: Johannes Schindelin <53fb8db7833fca1e1746dd8592f61048d350f64c@gmx.de>

scijava/scijava-common