Fix test

Author: cschleiden

internal/activity/executor.go

@@ -49,7 +49,7 @@ func (e *Executor) ExecuteActivity(ctx context.Context, task *backend.ActivityTa
 
 	activity, err := e.r.GetActivity(a.Name)
 	if err != nil {
-		return nil, workflowerrors.NewPermanentError(fmt.Errorf("activity not found %w", err))
+		return nil, workflowerrors.NewPermanentError(fmt.Errorf("activity not found: %w", err))
 	}
 
 	activityFn := reflect.ValueOf(activity)

internal/activity/executor_test.go

@@ -37,7 +37,7 @@ func TestExecutor_ExecuteActivity(t *testing.T) {
 			result: func(t *testing.T, result payload.Payload, err error) {
 				require.Nil(t, result)
 				require.Error(t, err)
-				require.EqualError(t, err, "activity not found")
+				require.EqualError(t, err, "activity not found: activity not found")
 			},
 		},
 		{