want   bool
	}{
		{
			name:   "url.Error",
			err:    &url.Error{Op: "PUT", URL: "http://localhost/1234", Err: restError("remote server offline")},
			target: &url.Error{},
			want:   true,
		},
		{
			name: "net.Error",
			err:  &url.Error{Op: "PUT", URL: "http://localhost/1234", Err: restError("remote server offline")},
			want: true,
		},
		{
			name: "net.Error-unmatched",
			err:  errors.New("something"),

	url        *url.URL
	auth       func() string

	sync.RWMutex // mutex for lastErr
	lastErr      error
	lastErrTime  time.Time
}

type restError string

func (e restError) Error() string {
	return string(e)
}

func (e restError) Timeout() bool {
	return true
}

// Given a string of the form "host", "host:port", or "[ipv6::address]:port",
// return true if the string includes a port.

				mu.Unlock()
			}
		}(i)
	}
	wg.Wait()

	// We already saw write failures, no need to proceed into read's
	if retError != "" {
		return SpeedTestResult{
			Uploads:     totalBytesWritten,
			Downloads:   totalBytesRead,
			UploadTimes: uploadTimes,
			Error:       retError,
		}, nil
	}

	downloadsCtx, downloadsCancel := context.WithTimeout(ctx, opts.duration)
	defer downloadsCancel()

    void testRenewCredentials_True() {
        // Test renewCredentials(String locationHint, Throwable error) method when true
        String locationHint = "testLocation";
        Throwable error = new RuntimeException("testError");
        when(mockDelegate.renewCredentials(locationHint, error)).thenReturn(true);
        assertTrue(cifsContextWrapper.renewCredentials(locationHint, error));

     * @throws Exception
     */
    @Test
    public void testWarn() throws Exception {
        logger.warn("warn");
    }

    /**
     * @throws Exception
     */
    @Test
    public void testError() throws Exception {
        logger.error("error");
    }

    /**
     * @throws Exception
     */
    @Test
    public void testFatal() throws Exception {
        logger.fatal("fatal");
    }

        assertTrue(mockResponse.isError());

        // Verify the method was called
        verify(mockResponse, times(2)).isError();
    }

    @Test
    void testError() {
        // Call the method
        mockResponse.error();

        // Verify that the method was called
        verify(mockResponse, times(1)).error();
    }

    @Test

import (
	"bytes"
	"errors"
	"fmt"
	"internal/testenv"
	"io"
	"io/fs"
	"maps"
	"math"
	"os"
	"path"
	"path/filepath"
	"reflect"
	"slices"
	"strings"
	"testing"
	"time"
)

type testError struct{ error }

type fileOps []any // []T where T is (string | int64)

// testFile is an io.ReadWriteSeeker where the IO operations performed
// on it must match the list of operations in ops.
type testFile struct {

            assertTrue(response.isReceived());
            assertSame(testException, response.getException());
        }

        @Test
        @DisplayName("Should handle error")
        void testError() throws InterruptedException {
            CountDownLatch latch = new CountDownLatch(1);

            Thread waiter = new Thread(() -> {
                synchronized (response) {
                    try {

        // Then
        assertFalse(isError);
        verify(response).isError();
    }

    @Test
    @DisplayName("Test Response interface methods - error")
    void testError() {
        // Given
        doNothing().when(response).error();

        // When
        response.error();

        // Then
        verify(response).error();
    }

    @Test

    @Test
    public void test_addUpdateConfigListener_withException() {
        systemHelper.addUpdateConfigListener("TestError", () -> {
            throw new RuntimeException("Test error");
        });
        final String result = systemHelper.updateConfiguration();
        assertTrue(result.contains("TestError:"));
        assertTrue(result.contains("Test error"));
    }

    @Test