circle: add GOCACHE=off and -v to tests

.circleci/config.yml

@@ -139,7 +139,7 @@ jobs:
             for pkg in $(go list github.com/tendermint/tendermint/... | grep -v /vendor/ | circleci tests split --split-by=timings); do
               id=$(basename "$pkg")
 
-              go test -timeout 5m -race -coverprofile=/tmp/workspace/profiles/$id.out -covermode=atomic "$pkg"
+              GOCACHE=off go test -v -timeout 5m -race -coverprofile=/tmp/workspace/profiles/$id.out -covermode=atomic "$pkg"
             done
       - persist_to_workspace:
           root: /tmp/workspace