test: prevent ci variables from leaking into the test

Author: christophwitzko

pkg/condition/github_test.go

@@ -1,13 +1,15 @@
 package condition
 
 import (
+	"os"
 	"testing"
 
 	"github.com/stretchr/testify/assert"
 )
 
 func TestGithubValid(t *testing.T) {
 	gha := GitHubActions{}
+	os.Setenv("GITHUB_REF", "")
 	err := gha.RunCondition(CIConfig{"defaultBranch": ""})
 	assert.EqualError(t, err, "This test run is not running on a branch build.")
 }

pkg/condition/gitlab_test.go

@@ -1,13 +1,15 @@
 package condition
 
 import (
+	"os"
 	"testing"
 
 	"github.com/stretchr/testify/assert"
 )
 
 func TestGitlabValid(t *testing.T) {
 	gl := GitLab{}
+	os.Setenv("CI_COMMIT_BRANCH", "")
 	err := gl.RunCondition(CIConfig{"defaultBranch": ""})
 	assert.EqualError(t, err, "This test run is not running on a branch build.")
 }

pkg/condition/travis_test.go

@@ -1,13 +1,15 @@
 package condition
 
 import (
+	"os"
 	"testing"
 
 	"github.com/stretchr/testify/assert"
 )
 
 func TestTravisValid(t *testing.T) {
 	travis := TravisCI{}
+	os.Setenv("TRAVIS", "")
 	err := travis.RunCondition(CIConfig{"token": "", "defaultBranch": "", "private": false})
 	assert.EqualError(t, err, "semantic-release didn’t run on Travis CI and therefore a new version won’t be published.")
 }