Fix test: bootstrap_test.py::TestBootstrap::test_bootstrap_with_reset_bootstrap_state

test_bootstrap_with_reset_bootstrap_state failed (1 runs remaining out of 2).
        <class 'ccmlib.node.TimeoutError'>
        28 Oct 2021 19:03:53 [node3] after 120.39/120 seconds Missing: ['127.0.0.1:7000.* is now UP'] not found in system.log:
 Head: ERROR [Stream-Deserializer-/127.0.0.1:7000-20b885c
 Tail: ...b336de0e72/nb-1-big-Data.db 
ERROR [Stream-Deserializer-/127.0.0.1:7000-29a7cdb5] 2021-10-28 15:01:36,578 StorageService.java:483 - Stopping gossiper

        [<TracebackEntry /Users/jmckenzie/src/cassandra-dtest/bootstrap_test.py:483>
<TracebackEntry /Users/jmckenzie/src/ccm/ccmlib/node.py:895>
<TracebackEntry /Users/jmckenzie/src/ccm/ccmlib/node.py:664>
<TracebackEntry /Users/jmckenzie/src/ccm/ccmlib/node.py:588>
<TracebackEntry /Users/jmckenzie/src/ccm/ccmlib/node.py:56>]
test_bootstrap_with_reset_bootstrap_state failed; it passed 0 out of the required 1 times.
        <class 'ccmlib.node.TimeoutError'>
        28 Oct 2021 19:08:23 [node3] after 120.41/120 seconds Missing: ['127.0.0.1:7000.* is now UP'] not found in system.log:
 Head: 
 Tail: ...
        [<TracebackEntry /Users/jmckenzie/src/cassandra-dtest/bootstrap_test.py:483>
<TracebackEntry /Users/jmckenzie/src/ccm/ccmlib/node.py:895>
<TracebackEntry /Users/jmckenzie/src/ccm/ccmlib/node.py:664>
<TracebackEntry /Users/jmckenzie/src/ccm/ccmlib/node.py:588>
<TracebackEntry /Users/jmckenzie/src/ccm/ccmlib/node.py:56>]