case result := <-resultChan:
				if len(c.delayedConfName) > 0 {
					// Delayed case
					t.Fatalf("did not expect to retrieve a CNI config file %s", result)
				} else if result != expectedFilepath {
					if len(expectedFilepath) > 0 {
						t.Fatalf("expected %s, got %s", expectedFilepath, result)
					}
					t.Fatalf("did not expect to retrieve a CNI config file %s", result)
				}
				// Successful test for non-delayed cases

		if !ok {
			t.Fatalf("Unexpected error expecting %s", syscall.ENOTEMPTY)
		}
	} else {
		pathErr = &os.PathError{Err: syscall.Errno(0x91)}
		ok = isSysErrNotEmpty(pathErr)
		if !ok {
			t.Fatal("Unexpected error expecting 0x91")
		}
	}
	if runtime.GOOS == globalWindowsOSName {
		pathErr = &os.PathError{Err: syscall.Errno(0x03)}
		ok = isSysErrPathNotFound(pathErr)
		if !ok {
			t.Fatal("Unexpected error expecting 0x03")

		})
		if err != nil {
			log.Fatal(err)
		}
		if _, err := w.Write(data); err != nil {
			log.Fatal(err)
		}
		seen[name] = true
		return nil
	})
	if err != nil {
		log.Fatal(err)
	}
	if err := zw.Close(); err != nil {
		log.Fatal(err)
	}
	if len(seen) == 0 {
		log.Fatalf("did not find any files to add")
	}
	if !seen["US/Eastern"] {
		log.Fatalf("did not find US/Eastern to add")
	}

		})
		if err != nil {
			t.Fatalf("creating file %d: %v", i, err)
		}
	}
	if err := w.Close(); err != nil {
		t.Fatalf("Writer.Close: %v", err)
	}
	s := buf.String()
	zr, err := NewReader(strings.NewReader(s), int64(len(s)))
	if err != nil {
		t.Fatalf("NewReader: %v", err)
	}
	if got := len(zr.File); got != nFiles {
		t.Fatalf("File contains %d files, want %d", got, nFiles)
	}

			}
			if err != io.EOF {
				t.Fatalf("Reading failed with %s, %s", err, file.Name())
			}
		})
	}
}

func BenchmarkPReader(b *testing.B) {
	files, err := os.ReadDir("testdata")
	if err != nil {
		b.Fatal(err)
	}
	for _, file := range files {
		b.Run(file.Name(), func(b *testing.B) {
			f, err := os.ReadFile(filepath.Join("testdata", file.Name()))
			if err != nil {
				b.Fatal(err)
			}

			}
			if err != io.EOF {
				t.Fatalf("Reading failed with %s, %s", err, file.Name())
			}
		})
	}
}

func BenchmarkReader(b *testing.B) {
	files, err := os.ReadDir("testdata")
	if err != nil {
		b.Fatal(err)
	}
	for _, file := range files {
		b.Run(file.Name(), func(b *testing.B) {
			f, err := os.ReadFile(filepath.Join("testdata", file.Name()))
			if err != nil {
				b.Fatal(err)
			}

			} else if file.Exists(cniConfigFilePath) {
				t.Fatalf("file %s was not deleted", c.configFilename)
			}

			// check if kubeconfig is deleted
			if file.Exists(kubeConfigFilePath) {
				t.Fatal("kubeconfig was not deleted")
			}

			// check if binaries are deleted
			if file.Exists(filepath.Join(cniBinDir, "istio-cni")) {
				t.Fatalf("File %s was not deleted", "istio-cni")
			}
		})
	}

* Fixes bug in resolving client-requested API versions ([#38533](https://github.com/kubernetes/kubernetes/pull/38533), [@DirectXMan12](https://github.com/DirectXMan12))
* Replace glog.Fatals with fmt.Errorfs ([#38175](https://github.com/kubernetes/kubernetes/pull/38175), [@sttts](https://github.com/sttts))

			t.Fatalf("failed to add %v; %v", i, err)
		}
	}

	batchLen := batch.Len()
	if batchLen != int(limit) {
		t.Fatalf("Expected batch.Len() %v; but got %v", limit, batchLen)
	}

	keys := store.List()
	if len(keys) > 0 {
		t.Fatalf("Expected empty store list but got len(list) %v", len(keys))
	}
	if err := batch.Add(testItem); err != nil {
		t.Fatalf("unable to add to the batch; %v", err)
	}

	if err = mkdirAll(pathJoin(path, "testvolume1"), 0o777, ""); err != nil {
		t.Fatal(err)
	}
	if err = renameAll("", "foo", ""); err != errInvalidArgument {
		t.Fatal(err)
	}
	if err = renameAll("foo", "", ""); err != errInvalidArgument {
		t.Fatal(err)
	}
	if err = renameAll(pathJoin(path, "testvolume1"), pathJoin(path, "testvolume2"), ""); err != nil {
		t.Fatal(err)
	}