test: add excluded-in-CI live tests

bdk-python/tests/test_offline_descriptor.py

@@ -0,0 +1,18 @@
+import bdkpython as bdk
+import unittest
+
+class TestSimpleWallet(unittest.TestCase):
+
+    def test_descriptor_bip86(self):
+        mnemonic: bdk.Mnemonic = bdk.Mnemonic.from_string("space echo position wrist orient erupt relief museum myself grain wisdom tumble")
+        descriptor_secret_key: bdk.DescriptorSecretKey = bdk.DescriptorSecretKey(bdk.Network.TESTNET, mnemonic, None)
+        descriptor: bdk.Descriptor = bdk.Descriptor.new_bip86(descriptor_secret_key, bdk.KeychainKind.EXTERNAL, bdk.Network.TESTNET)
+
+        self.assertEqual(
+            "tr([be1eec8f/86'/1'/0']tpubDCTtszwSxPx3tATqDrsSyqScPNnUChwQAVAkanuDUCJQESGBbkt68nXXKRDifYSDbeMa2Xg2euKbXaU3YphvGWftDE7ozRKPriT6vAo3xsc/0/*)#m7puekcx",
+            descriptor.as_string()
+        )
+
+
+if __name__ == '__main__':
+    unittest.main()