Unexpected match in test_ksr_twotone test

The test_ksr_twotone test failed because of an unexpected match:

assert '25 two-tone.test.' not in '... 30725 two-tone.test. ...'

_______________________________ test_ksr_twotone _______________________________
[gw3] linux -- Python 3.11.2 /usr/bin/python3
/builds/isc-private/bind9/workspace/bin/tests/system/ksr/tests_ksr.py:1051: in test_ksr_twotone
    isctest.kasp.check_apex(ns1, zone, ksks, zsks)
/builds/isc-private/bind9/workspace/bin/tests/system/isctest/kasp.py:528: in check_apex
    check_signatures(rrsigs, dns.rdatatype.DNSKEY, fqdn, ksks, zsks)
/builds/isc-private/bind9/workspace/bin/tests/system/isctest/kasp.py:397: in check_signatures
    numsigs += _check_signatures(signatures, covers, fqdn, zsks)
/builds/isc-private/bind9/workspace/bin/tests/system/isctest/kasp.py:350: in _check_signatures
    assert f"{key.tag} {fqdn}" not in rrsig
E   AssertionError: assert '25 two-tone.test.' not in 'two-tone.test. 3600 IN RRSIG DNSKEY 8 2 3600 20241103032000 20241020022000 30725 two-tone.test. iP7KvaUVJfCIdsnelBpKXpkgvMQyhmFI d5NCRHUEGyyKW4Q1EMFXE8c2JHQ4jAsP C4IBLVM8a8bdnksIa5pWbUrndfCD98+3 vwTH9l79z28afQtZDrwV/BWln/+jomqt 1JlD1Giolh4vgKgmC7JW/MyZx/+EjH8+ 646z/1NWejv69msRggvuWn5dhS1UE7NI BAZqQQeABzoryTWqMxqtJSxtq+ofqAQ2 yv8BIidHxNYCrw7bujwxFvmyOuF1cRAb R6YfqvC6TWxpzyHZvlWJJn2mN/ntiwuZ orGL1Z+0QaJ9yCdyHCPwpe+ZVA+Nw9yS 0R4oAIP2g9+OOzTefzXjTA=='
E     '25 two-tone.test.' is contained here:
E       two-tone.test. 3600 IN RRSIG DNSKEY 8 2 3600 20241103032000 20241020022000 30725 two-tone.test. iP7KvaUVJfCIdsnelBpKXpkgvMQyhmFI d5NCRHUEGyyKW4Q1EMFXE8c2JHQ4jAsP C4IBLVM8a8bdnksIa5pWbUrndfCD98+3 vwTH9l79z28afQtZDrwV/BWln/+jomqt 1JlD1Giolh4vgKgmC7JW/MyZx/+EjH8+ 646z/1NWejv69msRggvuWn5dhS1UE7NI BAZqQQeABzoryTWqMxqtJSxtq+ofqAQ2 yv8BIidHxNYCrw7bujwxFvmyOuF1cRAb R6YfqvC6TWxpzyHZvlWJJn2mN/ntiwuZ orGL1Z+0QaJ9yCdyHCPwpe+ZVA+Nw9yS 0R4oAIP2g9+OOzTefzXjTA==
E     ?                                                                               +++++++++++++++++
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