test: add 'VERBOSE' flag to enable client debugs

test

@@ -82,8 +82,16 @@ fi
 
 function unit_pass {
 	echo "Running unit tests..."
+	GO_TEST_FLAG=""
+	if [ "${VERBOSE}" == "1" ]; then
+		GO_TEST_FLAG="-v"
+	fi
+	if [ "${VERBOSE}" == "2" ]; then
+		GO_TEST_FLAG="-v"
+		export CLIENT_DEBUG=1
+	fi
 	# only -run=Test so examples can run in integration tests
-	go test -timeout 3m "${COVER}" ${RACE} -cpu 1,2,4 -run=Test "$@" "${TEST[@]}"
+	go test ${GO_TEST_FLAG} -timeout 3m "${COVER}" ${RACE} -cpu 1,2,4 -run=Test "$@" "${TEST[@]}"
 }
 
 function integration_pass {