cli/command/container: remove uses of pkg/errors in tests

While there may be reasons to keep pkg/errors in production code,
we don't need them for these tests.

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

cli/command/container/attach_test.go

@@ -1,13 +1,13 @@
 package container
 
 import (
+	"errors"
 	"io"
 	"testing"
 
 	"github.com/docker/cli/cli"
 	"github.com/docker/cli/internal/test"
 	"github.com/docker/docker/api/types/container"
-	"github.com/pkg/errors"
 	"gotest.tools/v3/assert"
 )
 
@@ -23,7 +23,7 @@ func TestNewAttachCommandErrors(t *testing.T) {
 			args:          []string{"5cb5bb5e4a3b"},
 			expectedError: "something went wrong",
 			containerInspectFunc: func(containerID string) (container.InspectResponse, error) {
-				return container.InspectResponse{}, errors.Errorf("something went wrong")
+				return container.InspectResponse{}, errors.New("something went wrong")
 			},
 		},
 		{

cli/command/container/commit_test.go

@@ -2,13 +2,13 @@ package container
 
 import (
 	"context"
+	"errors"
 	"io"
 	"testing"
 
 	"github.com/docker/cli/internal/test"
 	"github.com/docker/docker/api/types"
 	"github.com/docker/docker/api/types/container"
-	"github.com/pkg/errors"
 	"gotest.tools/v3/assert"
 	is "gotest.tools/v3/assert/cmp"
 )

cli/command/container/diff_test.go

@@ -2,13 +2,13 @@ package container
 
 import (
 	"context"
+	"errors"
 	"io"
 	"strings"
 	"testing"
 
 	"github.com/docker/cli/internal/test"
 	"github.com/docker/docker/api/types/container"
-	"github.com/pkg/errors"
 	"gotest.tools/v3/assert"
 	is "gotest.tools/v3/assert/cmp"
 )

cli/command/container/exec_test.go

@@ -2,6 +2,7 @@ package container
 
 import (
 	"context"
+	"errors"
 	"io"
 	"os"
 	"testing"
@@ -12,7 +13,6 @@ import (
 	"github.com/docker/cli/opts"
 	"github.com/docker/docker/api/types"
 	"github.com/docker/docker/api/types/container"
-	"github.com/pkg/errors"
 	"gotest.tools/v3/assert"
 	is "gotest.tools/v3/assert/cmp"
 	"gotest.tools/v3/fs"
@@ -259,7 +259,7 @@ func TestNewExecCommandErrors(t *testing.T) {
 			args:          []string{"5cb5bb5e4a3b", "-t", "-i", "bash"},
 			expectedError: "something went wrong",
 			containerInspectFunc: func(containerID string) (container.InspectResponse, error) {
-				return container.InspectResponse{}, errors.Errorf("something went wrong")
+				return container.InspectResponse{}, errors.New("something went wrong")
 			},
 		},
 	}

cli/command/container/opts_test.go

@@ -1,6 +1,7 @@
 package container
 
 import (
+	"errors"
 	"fmt"
 	"io"
 	"os"
@@ -12,7 +13,6 @@ import (
 	"github.com/docker/docker/api/types/container"
 	networktypes "github.com/docker/docker/api/types/network"
 	"github.com/docker/go-connections/nat"
-	"github.com/pkg/errors"
 	"github.com/spf13/pflag"
 	"gotest.tools/v3/assert"
 	is "gotest.tools/v3/assert/cmp"
@@ -340,7 +340,7 @@ func compareRandomizedStrings(a, b, c, d string) error {
 	if a == d && b == c {
 		return nil
 	}
-	return errors.Errorf("strings don't match")
+	return errors.New("strings don't match")
 }
 
 // Simple parse with MacAddress validation

cli/command/container/prune_test.go

@@ -2,13 +2,13 @@ package container
 
 import (
 	"context"
+	"errors"
 	"io"
 	"testing"
 
 	"github.com/docker/cli/internal/test"
 	"github.com/docker/docker/api/types/container"
 	"github.com/docker/docker/api/types/filters"
-	"github.com/pkg/errors"
 )
 
 func TestContainerPrunePromptTermination(t *testing.T) {

cli/command/container/rename_test.go

@@ -2,11 +2,11 @@ package container
 
 import (
 	"context"
+	"errors"
 	"io"
 	"testing"
 
 	"github.com/docker/cli/internal/test"
-	"github.com/pkg/errors"
 	"gotest.tools/v3/assert"
 	is "gotest.tools/v3/assert/cmp"
 )

cli/command/container/restart_test.go

@@ -2,6 +2,7 @@ package container
 
 import (
 	"context"
+	"errors"
 	"io"
 	"sort"
 	"sync"
@@ -10,7 +11,6 @@ import (
 	"github.com/docker/cli/internal/test"
 	"github.com/docker/docker/api/types/container"
 	"github.com/docker/docker/errdefs"
-	"github.com/pkg/errors"
 	"gotest.tools/v3/assert"
 	is "gotest.tools/v3/assert/cmp"
 )

cli/command/container/stop_test.go

@@ -2,6 +2,7 @@ package container
 
 import (
 	"context"
+	"errors"
 	"io"
 	"sort"
 	"sync"
@@ -10,7 +11,6 @@ import (
 	"github.com/docker/cli/internal/test"
 	"github.com/docker/docker/api/types/container"
 	"github.com/docker/docker/errdefs"
-	"github.com/pkg/errors"
 	"gotest.tools/v3/assert"
 	is "gotest.tools/v3/assert/cmp"
 )

cli/command/container/tty_test.go

@@ -2,13 +2,13 @@ package container
 
 import (
 	"context"
+	"errors"
 	"testing"
 	"time"
 
 	"github.com/docker/cli/cli/command"
 	"github.com/docker/cli/internal/test"
 	"github.com/docker/docker/api/types/container"
-	"github.com/pkg/errors"
 	"gotest.tools/v3/assert"
 	is "gotest.tools/v3/assert/cmp"
 )
@@ -16,7 +16,7 @@ import (
 func TestInitTtySizeErrors(t *testing.T) {
 	expectedError := "failed to resize tty, using default size\n"
 	fakeContainerExecResizeFunc := func(id string, options container.ResizeOptions) error {
-		return errors.Errorf("Error response from daemon: no such exec")
+		return errors.New("Error response from daemon: no such exec")
 	}
 	fakeResizeTtyFunc := func(ctx context.Context, cli command.Cli, id string, isExec bool) error {
 		height, width := uint(1024), uint(768)