Display Traefik logs in integration test

integration/acme_test.go

@@ -4,6 +4,7 @@ import (
 	"crypto/tls"
 	"fmt"
 	"net/http"
+	"os"
 	"time"
 
 	"github.com/containous/traefik/integration/try"
@@ -101,8 +102,10 @@ func (s *AcmeSuite) retrieveAcmeCertificate(c *check.C, testCase AcmeTestCase) {
 		OnDemand:    testCase.onDemand,
 		OnHostRule:  !testCase.onDemand,
 	})
+	defer os.Remove(file)
 
-	cmd, output := s.cmdTraefik(withConfigFile(file))
+	cmd, display := s.traefikCmd(withConfigFile(file))
+	defer display(c)
 	err := cmd.Start()
 	c.Assert(err, checker.IsNil)
 	defer cmd.Process.Kill()
@@ -120,8 +123,6 @@ func (s *AcmeSuite) retrieveAcmeCertificate(c *check.C, testCase AcmeTestCase) {
 		_, err := client.Get("https://127.0.0.1:5001")
 		return err
 	})
-	// TODO: waiting a refactor of integration tests
-	s.displayTraefikLog(c, output)
 	c.Assert(err, checker.IsNil)
 
 	tr = &http.Transport{