fix typo

modules/coin/handler.go

@@ -104,7 +104,7 @@ func (h Handler) SetOption(l log.Logger, store state.KVStore, module, key, value
 		return "Success", nil
 
 	}
-	return errors.ErrUnknownKey(key)
+	return "", errors.ErrUnknownKey(key)
 }
 
 func checkTx(ctx basecoin.Context, tx basecoin.Tx) (send SendTx, err error) {

modules/roles/store_test.go

@@ -52,7 +52,7 @@ func TestRole(t *testing.T) {
 			assert.True(role.IsSigner(a), i)
 		}
 		// make sure IsAuthorized works
-		ctx := stack.MockContext("chain-id").WithPermissions(tc.signers...)
+		ctx := stack.MockContext("chain-id", 100).WithPermissions(tc.signers...)
 		allowed := role.IsAuthorized(ctx)
 		assert.Equal(tc.valid, allowed, i)
 	}