public Class<?> findClass(String name, byte[] ap) {
      return defineClass(name, ap, 0, ap.length);
    }
Test that creates a lot of classes and then leaves them to be garbage. The point of this is that
the agent was holding references to classes for a while, so they weren't getting garbage
collected.
src/test/java/com/google/monitoring/runtime/instrumentation/MetaspaceExhaustionTest.java