bip-340: set all_passed=False on key generation mismatch

bip-0340/reference.py

@@ -162,6 +162,7 @@ def test_vectors() -> bool:
                     print(' * Failed key generation.')
                     print('   Expected key:', pubkey.hex().upper())
                     print('     Actual key:', pubkey_actual.hex().upper())
+                    all_passed = False
                 aux_rand = bytes.fromhex(aux_rand_hex)
                 try:
                     sig_actual = schnorr_sign(msg, seckey, aux_rand)