Fix tests that used open_wallet to close already unlocked wallet by accident

...eekeepy_test/handle/api_tests/test_api_get_public_keys.py

tests/beekeepy_test/handle/api_tests/test_api_import_key.py

tests/beekeepy_test/handle/api_tests/test_api_open.py

tests/beekeepy_test/handle/api_tests/test_api_remove_key.py

tests/beekeepy_test/handle/api_tests/test_api_set_timeout.py

tests/beekeepy_test/handle/api_tests/test_api_unlock.py

tests/beekeepy_test/handle/basic/test_wallet.py

...ommandline/application_options/test_export_keys_wallet.py

...le/commandline/application_options/test_unlock_timeout.py

tests/beekeepy_test/handle/conftest.py

tests/beekeepy_test/handle/simple_flow/test_simple_flow.py

tests/local-tools/local_tools/beekeepy/models.py