Update error handling.

initiatorpool/errors.go

@@ -17,8 +17,8 @@ var (
 	ErrConnectionUnavailable = errors.New("connection unavailable")
 )
 
-func NewConfigError(text string) error {
-	return fmt.Errorf("configuration error: %s", text)
+func NewConfigError(err error) error {
+	return fmt.Errorf("configuration error: %w", err)
 }
 
 func NewPoolError(err error) error {

initiatorpool/worker_session_inner_test.go

@@ -125,7 +125,7 @@ func TestRunReader(t *testing.T) {
 		incomingData <- honeybeetest.MockIncomingData{Err: io.EOF}
 
 		err := <-conn.Errors()
-		assert.Equal(t, io.EOF, err)
+		assert.ErrorIs(t, err, io.EOF)
 
 		honeybeetest.Eventually(t, func() bool {
 			return conn.State() == transport.StateClosed