test: add coverage for unknown address type for createwalletdescriptor #31635

1. 
   brunoerg commented at 2:09 pm on January 10, 2025: contributor

   Calling createwalletdescriptor RPC with an unknown address type throws an error. This PR adds test coverage for it as done for other RPCs (getnewaddress , getrawchangeaddress, etc).
2. 
   DrahtBot commented at 2:09 pm on January 10, 2025: contributor

   The following sections might be updated with supplementary metadata relevant to reviewers and maintainers.

   Code Coverage & Benchmarks

   For details see: https://corecheck.dev/bitcoin/bitcoin/pulls/31635.

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   Type	Reviewers
   ACK	rkrux, maflcko

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3. DrahtBot added the label Tests on Jan 10, 2025
4. 
   fanquake commented at 2:34 pm on January 10, 2025: member

   https://github.com/bitcoin/bitcoin/actions/runs/12711073565/job/35433597593?pr=31635#step:7:44312:

    0 test  2025-01-10T14:30:30.975000Z TestFramework (ERROR): Assertion failed 
    1                                   Traceback (most recent call last):
    2                                     File "/home/runner/work/_temp/test/functional/test_framework/util.py", line 160, in try_rpc
    3                                       fun(*args, **kwds)
    4                                     File "/home/runner/work/_temp/test/functional/test_framework/coverage.py", line 50, in __call__
    5                                       return_val = self.auth_service_proxy_instance.__call__(*args, **kwargs)
    6                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    7                                     File "/home/runner/work/_temp/test/functional/test_framework/authproxy.py", line 146, in __call__
    8                                       raise JSONRPCException(response['error'], status)
    9                                   test_framework.authproxy.JSONRPCException: createwalletdescriptor is not available for non-descriptor wallets (-4)
   10                                   During handling of the above exception, another exception occurred:
   11                                   Traceback (most recent call last):
   12                                     File "/home/runner/work/_temp/test/functional/test_framework/test_framework.py", line 135, in main
   13                                       self.run_test()
   14                                     File "/home/runner/work/_temp/ci/scratch/build-x86_64-pc-linux-gnu/test/functional/wallet_address_types.py", line 372, in run_test
   15                                       assert_raises_rpc_error(-5, "Unknown address type 'bech23'", self.nodes[3].createwalletdescriptor, "bech23")
   16                                     File "/home/runner/work/_temp/test/functional/test_framework/util.py", line 151, in assert_raises_rpc_error
   17                                       assert try_rpc(code, message, fun, *args, **kwds), "No exception raised"
   18                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   19                                     File "/home/runner/work/_temp/test/functional/test_framework/util.py", line 164, in try_rpc
   20                                       raise AssertionError("Unexpected JSONRPC error code %i" % e.error["code"])
   21                                   AssertionError: Unexpected JSONRPC error code -4
   22 test  2025-01-10T14:30:31.007000Z TestFramework (DEBUG): Closing down network thread
   

5. test: add coverage for unknown address type for `createwalletdescriptor` 4da7bfdcc9
6. brunoerg force-pushed on Jan 10, 2025
7. DrahtBot added the label CI failed on Jan 10, 2025
8. 
   brunoerg commented at 2:43 pm on January 10, 2025: contributor

   Thanks, @fanquake. Fixed.
9. DrahtBot removed the label CI failed on Jan 13, 2025
10. rkrux approved
11. 
    rkrux commented at 2:38 pm on January 14, 2025: none

    tACK 4da7bfdcc902f22239e55cd9b90abf36b29edfde

    Pretty straightforward change.

12. 
    maflcko commented at 2:44 pm on January 14, 2025: member

    lgtm ACK 4da7bfdcc902f22239e55cd9b90abf36b29edfde

Contributors
brunoerg DrahtBot fanquake rkrux maflcko

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