Context expand of assertions should be added

Could you please add a context.expand() when assertions fail and throw output information?

For example below output is not so human readable and enforces looking into Properties test step for values of such assertion:

XQuery Match Assertion failed for path [
<Result>
{
${Properties#AssertXQuery}
}
</Result>] : Exception:org.custommonkey.xmlunit.Diff
[different] Expected ${Properties#AssertValue}, but was ...