chore: compile with go1.10 (#560)

* chore: compile with go1.10

* chore: fix?

* chore: fix ci, maybe?

* chore: fix ci, maybe?

* test: fixed broken test

.travis.yml

@@ -1,7 +1,7 @@
 dist: trusty
 sudo: required
 language: go
-go: 1.9
+go: '1.10'
 services:
   - docker
 install:

pipeline/artifactory/artifactory_test.go

@@ -50,7 +50,6 @@ func testHeader(t *testing.T, r *http.Request, header string, want string) {
 // TODO: improve all tests bellow by checking wether the mocked handlers
 // were called or not.
 
-
 func TestRunPipe_ModeBinary(t *testing.T) {
 	setup()
 	defer teardown()
@@ -337,7 +336,7 @@ func TestRunPipe_ArtifactoryDown(t *testing.T) {
 	})
 	err = Pipe{}.Run(ctx)
 	assert.Error(t, err)
-	assert.Contains(t, err.Error(), ":1234: getsockopt: connection refused")
+	assert.Contains(t, err.Error(), "connection refused")
 }
 
 func TestRunPipe_TargetTemplateError(t *testing.T) {