Extract outputStub into testing.go

command/pr_test.go

@@ -89,18 +89,6 @@ func TestPRView(t *testing.T) {
 	}
 }
 
-type outputStub struct {
-	contents []byte
-}
-
-func (s outputStub) Output() ([]byte, error) {
-	return s.contents, nil
-}
-
-func (s outputStub) Run() error {
-	return nil
-}
-
 func TestPRView_NoActiveBranch(t *testing.T) {
 	initBlankContext("OWNER/REPO", "master")
 	http := initFakeHTTP()

command/testing.go

@@ -0,0 +1,14 @@
+package command
+
+// outputStub implements a simple utils.Runnable
+type outputStub struct {
+	output []byte
+}
+
+func (s outputStub) Output() ([]byte, error) {
+	return s.output, nil
+}
+
+func (s outputStub) Run() error {
+	return nil
+}