test: Check expected_stderr after stop

test/functional/feature_abortnode.py

@@ -36,7 +36,7 @@ class AbortNodeTest(BitcoinTestFramework):
 
             # Check that node0 aborted
             self.log.info("Waiting for crash")
-            self.nodes[0].wait_until_stopped(timeout=5, expect_error=True)
+            self.nodes[0].wait_until_stopped(timeout=5, expect_error=True, expected_stderr="Error: A fatal internal error occurred, see debug.log for details")
         self.log.info("Node crashed - now verifying restart fails")
         self.nodes[0].assert_start_raises_init_error()