test: pruning: Check that verifychain can be called when pruned

test/functional/feature_pruning.py

@@ -191,6 +191,8 @@ class PruneTest(BitcoinTestFramework):
     def reorg_back(self):
         # Verify that a block on the old main chain fork has been pruned away
         assert_raises_rpc_error(-1, "Block not available (pruned data)", self.nodes[2].getblock, self.forkhash)
+        with self.nodes[2].assert_debug_log(expected_msgs=['block verification stopping at height', '(pruning, no data)']):
+            self.nodes[2].verifychain(checklevel=4, nblocks=0)
         self.log.info("Will need to redownload block %d" % self.forkheight)
 
         # Verify that we have enough history to reorg back to the fork point