tests: add forced cleanup of :build tag
tests: add forced cleanup of :build tag

silasdavis/burrow,benjaminbollen/eris-db,eris-ltd/eris-db,benjaminbollen/burrow,benjaminbollen/eris-db,silasdavis/burrow,benjaminbollen/burrow,eris-ltd/eris-db,silasdavis/burrow