title: Disable Hazelcast instance while running JUnit test with ApplicationContext
body: <p>I have such JUnit 5 test and becuase of test speed I need to disable creating Hazelcast instances while running test. Is there some way how to disable Hazelcast for one particular test?</p>
  <pre><code>@SpringBootTest
  @RunWith(SpringRunner.class)
  class MemoryTradeCommunicatorTest {
  // test cases....
  }
  </code></pre>