@Test
    public final void doesBucketExistV2() {
        assertThat(s3Client.doesBucketExistV2(MY_TEST_BUCKET)).isTrue();

        // Issue #299
        assertThat(s3Client.doesBucketExistV2("nonexistingbucket")).isFalse();
    }
This is an example of how one would use the S3Proxy JUnit extension in a unit
test as opposed to a proper test of the S3ProxyExtension class.
src/test/java/org/gaul/s3proxy/junit/S3ProxyExtensionTest.java