@Test
public void getEnvParameter() {

    AgentDescription description = new TestSBuildAgent().
            environmentVariable("ABC", "123").
            environmentVariable("CDF", "456");
    assertThat(DockerCloudUtils.getEnvParameter(description, "ABC")).isEqualTo("123");
    assertThat(DockerCloudUtils.getEnvParameter(description, "CDF")).isEqualTo("456");
    assertThat(DockerCloudUtils.getEnvParameter(description, "EFG")).isNull();
}