public SCM find(final String scmId) {
        return stream().filter(scm -> scm.getId().equals(scmId)).findFirst().orElse(null);
    }
@Test
    void shouldFindSCMGivenTheSCMId() {
        SCM scm1 = SCMMother.create("id1");
        SCM scm2 = SCMMother.create("id2");

        SCMs scms = new SCMs(scm1, scm2);

        assertThat(scms.find("id2")).isEqualTo(scm2);
    }