@Target(value={TYPE,METHOD}) @Retention(value=RUNTIME) @Documented @EnabledIfEnvironmentVariable(named="TEST_PERF_ENABLED", matches="(?i)true") @Test public @interface PerfTest
@PerfTest is used to signal that the annotated test class or method is performance test,
and is disabled unless enabled via setting the TEST_PERF_ENABLED environment variable to
true.