feat(kubectl-trace): execute tests in CI

Signed-off-by: Lorenzo Fontana <[email protected]>

Author: fntlnz

.travis.yml

@@ -7,5 +7,6 @@ go:
 services:
 - docker
 script:
+- make test
 - make _output/bin/kubectl-trace
 - ./hack/release-image.sh

Makefile

@@ -48,3 +48,6 @@ image/latest:
 	$(DOCKER) tag $(IMAGE_BPFTRACE_COMMIT) $(IMAGE_BPFTRACE_LATEST)
 	$(DOCKER) push $(IMAGE_BPFTRACE_LATEST)
 
+.PHONY: test
+test:
+	$(GO) test -v -race ./...