@Test
public void getProperties() throws Exception {

    SimplePropertySource ps1 = SimplePropertySource.newBuilder()
            .withUuidName()
            .withProperty("a", "b")
            .build();
    assertThat(ps1.getProperties()).isNotNull();
    assertThat(ps1.getProperties()).hasSize(1);
    assertThat(ps1.getProperties().get("a").getValue()).isEqualTo("b");
}