[rpc] return full string for package_msg and package-error

test/functional/mempool_package_limits.py

@@ -29,7 +29,7 @@ def check_package_limits(func):
         testres_error_expected = node.testmempoolaccept(rawtxs=package_hex)
         assert_equal(len(testres_error_expected), len(package_hex))
         for txres in testres_error_expected:
-            assert_equal(txres["package-error"], "package-mempool-limits")
+            assert "package-mempool-limits" in txres["package-error"]
 
         # Clear mempool and check that the package passes now
         self.generate(node, 1)