func TestBuildImageCircleCI(t *testing.T) {
os.Setenv("CIRCLECI", "true")
app := App{Build: "test/noCaptainYML/Dockerfile", Image: "captain_test"}
res := buildImage(app, "latest")
assert.Nil(t, res, "Docker build should not return any error")
}
func TestTagImage(t *testing.T) {
app := App{Image: "golang"}
res := tagImage(app, "1.4", "testing")
assert.Nil(t, res, "Docker tag should not return any error")
}
func TestBuildImage(t *testing.T) {
app := App{Build: "test/noCaptainYML/Dockerfile", Image: "captain_test"}
res := buildImage(app, "latest")
assert.Nil(t, res, "Docker build should not return any error")
}