package main import ( "fmt" "os/exec" "strings" "testing" ) func TestImagesEnsureImageIsListed(t *testing.T) { imagesCmd := exec.Command(dockerBinary, "images") out, _, err := runCommandWithOutput(imagesCmd) errorOut(err, t, fmt.Sprintf("listing images failed with errors: %v", err)) if !strings.Contains(out, "busybox") { t.Fatal("images should've listed busybox") } logDone("images - busybox should be listed") }