Fix the filtering unit test (#613)
Fix the filtering unit test (#613)

Key order is not deterministic, so use sets.
quiltdata/quilt-compiler,quiltdata/quilt-compiler,quiltdata/quilt,quiltdata/quilt,quiltdata/quilt,quiltdata/quilt-compiler,quiltdata/quilt,quiltdata/quilt-compiler,quiltdata/quilt