@Test
public void getEnvParameterWithNullArguments() {

    AgentDescription description = new TestSBuildAgent().
            environmentVariable("ABC", "123").
            environmentVariable("CDF", "456");
    assertThatExceptionOfType(NullPointerException.class).isThrownBy(() ->
            DockerCloudUtils.getEnvParameter(description, null));
    assertThatExceptionOfType(NullPointerException.class).isThrownBy(() -> DockerCloudUtils.getEnvParameter(null,
            "ABC"));
}