refactor: remove test

Signed-off-by: Alano Terblanche <18033717+Benehiko@users.noreply.github.com>

cmd/docker/docker_test.go

@@ -1,28 +1,17 @@
 package main
 
 import (
-	"bufio"
 	"bytes"
 	"context"
-	"fmt"
 	"io"
 	"os"
-	"os/exec"
-	"os/signal"
-	"strings"
-	"syscall"
 	"testing"
-	"time"
 
 	"github.com/docker/cli/cli/command"
 	"github.com/docker/cli/cli/debug"
-	"github.com/docker/cli/cli/streams"
-	"github.com/docker/cli/cmd/docker/internal/signals"
 	"github.com/sirupsen/logrus"
-	"github.com/spf13/cobra"
 	"gotest.tools/v3/assert"
 	is "gotest.tools/v3/assert/cmp"
-	"gotest.tools/v3/poll"
 )
 
 func TestClientDebugEnabled(t *testing.T) {
@@ -86,92 +75,3 @@ func TestVersion(t *testing.T) {
 	assert.NilError(t, err)
 	assert.Check(t, is.Contains(b.String(), "Docker version"))
 }
-
-func TestFallbackForceExit(t *testing.T) {
-	longRunningCommand := cobra.Command{
-		RunE: func(cmd *cobra.Command, args []string) error {
-			read, _, err := os.Pipe()
-			if err != nil {
-				return err
-			}
-
-			// wait until the parent process sends a signal to exit
-			_, _, err = bufio.NewReader(read).ReadLine()
-			return err
-		},
-	}
-
-	// This is the child process that will run the long running command
-	if os.Getenv("TEST_FALLBACK_FORCE_EXIT") == "1" {
-		fmt.Println("running long command")
-		ctx, cancel := signal.NotifyContext(context.Background(), signals.TerminationSignals...)
-		t.Cleanup(cancel)
-
-		longRunningCommand.SetErr(streams.NewOut(os.Stderr))
-		longRunningCommand.SetOut(streams.NewOut(os.Stdout))
-
-		go forceExitAfter3TerminationSignals(ctx, streams.NewOut(os.Stderr))
-
-		err := longRunningCommand.ExecuteContext(ctx)
-		if err != nil {
-			os.Exit(0)
-		}
-		return
-	}
-
-	ctx, cancel := context.WithCancel(context.Background())
-	t.Cleanup(cancel)
-
-	// spawn the child process
-	cmd := exec.CommandContext(ctx, os.Args[0], "-test.run=TestFallbackForceExit")
-	cmd.Env = append(os.Environ(), "TEST_FALLBACK_FORCE_EXIT=1")
-
-	var buf strings.Builder
-	cmd.Stderr = &buf
-	cmd.Stdout = &buf
-
-	t.Cleanup(func() {
-		_ = cmd.Process.Kill()
-	})
-
-	assert.NilError(t, cmd.Start())
-
-	poll.WaitOn(t, func(t poll.LogT) poll.Result {
-		if strings.Contains(buf.String(), "running long command") {
-			return poll.Success()
-		}
-		return poll.Continue("waiting for child process to start")
-	}, poll.WithTimeout(1*time.Second), poll.WithDelay(100*time.Millisecond))
-
-	for i := 0; i < 3; i++ {
-		cmd.Process.Signal(syscall.SIGINT)
-		time.Sleep(100 * time.Millisecond)
-	}
-
-	cmdErr := make(chan error, 1)
-	go func() {
-		cmdErr <- cmd.Wait()
-	}()
-
-	poll.WaitOn(t, func(t poll.LogT) poll.Result {
-		if strings.Contains(buf.String(), "got 3 SIGTERM/SIGINTs, forcefully exiting") {
-			return poll.Success()
-		}
-		return poll.Continue("waiting for child process to exit")
-	},
-		poll.WithTimeout(1*time.Second), poll.WithDelay(100*time.Millisecond))
-
-	select {
-	case cmdErr := <-cmdErr:
-		assert.Error(t, cmdErr, "exit status 1")
-		exitErr, ok := cmdErr.(*exec.ExitError)
-		if !ok {
-			t.Fatalf("unexpected error type: %T", cmdErr)
-		}
-		if exitErr.Success() {
-			t.Fatalf("unexpected exit status: %v", exitErr)
-		}
-	case <-time.After(1 * time.Second):
-		t.Fatal("timed out waiting for child process to exit")
-	}
-}