updateSearchRoles(roleSet, entryDn);

                if (StringUtil.isNotBlank(groupFilter)) {
                    subRoleSet.add(entryDn);
                }
            });
        });

        if (logger.isDebugEnabled()) {
            logger.debug("role: {}", roleSet);
        }
        final String[] roles = roleSet.toArray(new String[roleSet.size()]);

    val stream1 = connection.newStream(headerEntries("a", "android"), true)
    val stream2 = connection.newStream(headerEntries("b", "banana"), true)
    connection.writePingAndAwaitPong() // Ensure the GO_AWAY that resets stream2 has been received.
    val sink1 = stream1.getSink().buffer()
    val sink2 = stream2.getSink().buffer()
    sink1.writeUtf8("abc")
    assertFailsWith<IOException> {
      sink2.writeUtf8("abc")

			if !v.hasEnded() {
				v.stop()
			}
		}
		globalBackgroundHealState.Unlock()
	}
}

// sets globalIAMSys to `nil`.
func resetGlobalIAMSys() {
	globalIAMSys = nil
}

// Resets all the globals used modified in tests.
// Resetting ensures that the changes made to globals by one test doesn't affect others.
func resetTestGlobals() {
	// set globalObjectAPI to `nil`.
	resetGlobalObjectAPI()