Avoid `gradlew assemble` before running tests on travis-ci(closes #841)
Avoid `gradlew assemble` before running tests on travis-ci(closes #841)

paulk-asert/groovy,apache/incubator-groovy,paulk-asert/incubator-groovy,apache/groovy,apache/incubator-groovy,shils/groovy,jwagenleitner/groovy,apache/incubator-groovy,paulk-asert/incubator-groovy,shils/incubator-groovy,russel/groovy,paulk-asert/groovy,jwagenleitner/incubator-groovy,traneHead/groovy-core,paulk-asert/incubator-groovy,apache/groovy,jwagenleitner/incubator-groovy,shils/incubator-groovy,russel/groovy,armsargis/groovy,paulk-asert/groovy,russel/groovy,jwagenleitner/groovy,traneHead/groovy-core,paulk-asert/groovy,shils/groovy,jwagenleitner/groovy,apache/groovy,russel/groovy,jwagenleitner/incubator-groovy,apache/incubator-groovy,shils/groovy,shils/incubator-groovy,apache/groovy,shils/groovy,jwagenleitner/incubator-groovy,paulk-asert/incubator-groovy,traneHead/groovy-core,armsargis/groovy,paulk-asert/incubator-groovy,traneHead/groovy-core,shils/incubator-groovy,armsargis/groovy,jwagenleitner/groovy,armsargis/groovy