Improve exception message when RPC endpoints for a chain are available but can't be properly configured.

nucypher/policy/conditions/utils.py

@@ -53,7 +53,7 @@ class ConditionProviderManager:
         if not iterator_returned_at_least_one:
             raise NoConnectionToChain(
                 chain=chain_id,
-                message=f"Problematic provider connections for chain ID {chain_id}",
+                message=f"Problematic provider endpoints for chain ID {chain_id}",
             )
 
     @staticmethod

tests/acceptance/conditions/test_conditions.py

@@ -92,7 +92,7 @@ def test_rpc_condition_evaluation_invalid_provider_for_chain(
     condition_providers = ConditionProviderManager({new_chain: [testerchain.provider]})
     with pytest.raises(
         NoConnectionToChain,
-        match=f"Problematic provider connections for chain ID {new_chain}",
+        match=f"Problematic provider endpoints for chain ID {new_chain}",
     ):
         _ = rpc_condition.verify(providers=condition_providers, **context)