verification()
    }

    @Canonical
    protected class VerificationErrorHelper {
        final boolean terse

        void whenTerse(String whenTerse) {
            if (terse) {
                failure.assertHasCause(whenTerse)
            }
        }

        void whenVerbose(String whenVerbose) {
            if (!terse) {
                failure.assertHasCause(whenVerbose)

            }
        """

        when:
        serveValidKey()
        fails ":compileJava"

        then:

        assertVerificationError(terse) {
            whenTerse """Dependency verification failed for configuration ':compileClasspath'
One artifact failed verification: foo-1.0.jar (org:foo:1.0) from repository maven

            addChecksum(baz, "sha1")
        }

        when:
        fails ":compileJava"

        then:
        assertVerificationError(terse) {
            whenTerse """Dependency verification failed for configuration ':compileClasspath'
5 artifacts failed verification:
  - bar-1.0.jar (org:bar:1.0) from repository maven
  - foo-1.0.jar (org:foo:1.0) from repository maven