$ mvn test -Pseed-log -Dtest=ReproduceFailureDemoTest -Dlab.demo=reproduce   (run 1)
[ERROR] Tests run: 1, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 1.399 s <<< FAILURE! -- in lab.instancio.ReproduceFailureDemoTest
org.opentest4j.AssertionFailedError: age 18 should get a discount ==> expected: <true> but was: <false>
[main] WARN org.instancio.log.test.failure.seed - 1 test failed. A failure can be reproduced by annotating the test method with @Seed:
  @Seed(2016013118612999037L) ReproduceFailureDemoTest.everyAdultGetsADiscount (seed source: @Seed)
$ same command again   (run 2)
[ERROR] Tests run: 1, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 1.159 s <<< FAILURE! -- in lab.instancio.ReproduceFailureDemoTest
org.opentest4j.AssertionFailedError: age 18 should get a discount ==> expected: <true> but was: <false>
[main] WARN org.instancio.log.test.failure.seed - 1 test failed. A failure can be reproduced by annotating the test method with @Seed:
  @Seed(2016013118612999037L) ReproduceFailureDemoTest.everyAdultGetsADiscount (seed source: @Seed)