tests: Add feature_segwit.py --descriptors to test_runner.py

Author: achow101

test/functional/test_runner.py

@@ -100,6 +100,7 @@
     'p2p_compactblocks.py',
     'p2p_compactblocks_blocksonly.py',
     'feature_segwit.py --legacy-wallet',
+    'feature_segwit.py --descriptors',
     # vv Tests less than 2m vv
     'wallet_basic.py --legacy-wallet',
     'wallet_basic.py --descriptors',