diff --git a/components/engine/integration-cli/docker_cli_attach_unix_test.go b/components/engine/integration-cli/docker_cli_attach_unix_test.go
index bea73d770d..ebc3804e3e 100644
--- a/components/engine/integration-cli/docker_cli_attach_unix_test.go
+++ b/components/engine/integration-cli/docker_cli_attach_unix_test.go
@@ -9,6 +9,7 @@ import (
 	"testing"
 	"time"
 
+	"github.com/docker/docker/pkg/stringid"
 	"github.com/kr/pty"
 )
 
@@ -213,3 +214,75 @@ func TestAttachDetach(t *testing.T) {
 
 	logDone("attach - detach")
 }
+
+// TestAttachDetachTruncatedID checks that attach in tty mode can be detached
+func TestAttachDetachTruncatedID(t *testing.T) {
+	out, _, _ := dockerCmd(t, "run", "-itd", "busybox", "cat")
+	id := stringid.TruncateID(strings.TrimSpace(out))
+	if err := waitRun(id); err != nil {
+		t.Fatal(err)
+	}
+
+	cpty, tty, err := pty.Open()
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer cpty.Close()
+
+	cmd := exec.Command(dockerBinary, "attach", id)
+	cmd.Stdin = tty
+	stdout, err := cmd.StdoutPipe()
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer stdout.Close()
+	if err := cmd.Start(); err != nil {
+		t.Fatal(err)
+	}
+
+	if _, err := cpty.Write([]byte("hello\n")); err != nil {
+		t.Fatal(err)
+	}
+	out, err = bufio.NewReader(stdout).ReadString('\n')
+	if err != nil {
+		t.Fatal(err)
+	}
+	if strings.TrimSpace(out) != "hello" {
+		t.Fatalf("exepected 'hello', got %q", out)
+	}
+
+	// escape sequence
+	if _, err := cpty.Write([]byte{16}); err != nil {
+		t.Fatal(err)
+	}
+	time.Sleep(100 * time.Millisecond)
+	if _, err := cpty.Write([]byte{17}); err != nil {
+		t.Fatal(err)
+	}
+
+	ch := make(chan struct{})
+	go func() {
+		cmd.Wait()
+		ch <- struct{}{}
+	}()
+
+	running, err := inspectField(id, "State.Running")
+	if err != nil {
+		t.Fatal(err)
+	}
+	if running != "true" {
+		t.Fatal("exepected container to still be running")
+	}
+
+	go func() {
+		dockerCmd(t, "kill", id)
+	}()
+
+	select {
+	case <-ch:
+	case <-time.After(10 * time.Millisecond):
+		t.Fatal("timed out waiting for container to exit")
+	}
+
+	logDone("attach - detach truncated ID")
+}
diff --git a/components/engine/integration/commands_test.go b/components/engine/integration/commands_test.go
index 88a7bb87b3..900bdace22 100644
--- a/components/engine/integration/commands_test.go
+++ b/components/engine/integration/commands_test.go
@@ -12,7 +12,6 @@ import (
 	"github.com/Sirupsen/logrus"
 	"github.com/docker/docker/api/client"
 	"github.com/docker/docker/daemon"
-	"github.com/docker/docker/pkg/stringid"
 	"github.com/docker/docker/pkg/term"
 	"github.com/kr/pty"
 )
@@ -113,78 +112,6 @@ func assertPipe(input, output string, r io.Reader, w io.Writer, count int) error
 	return nil
 }
 
-// TestAttachDetachTruncatedID checks that attach in tty mode can be detached
-func TestAttachDetachTruncatedID(t *testing.T) {
-	stdout, stdoutPipe := io.Pipe()
-	cpty, tty, err := pty.Open()
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	cli := client.NewDockerCli(tty, stdoutPipe, ioutil.Discard, "", testDaemonProto, testDaemonAddr, nil)
-	defer cleanup(globalEngine, t)
-
-	// Discard the CmdRun output
-	go stdout.Read(make([]byte, 1024))
-	setTimeout(t, "Starting container timed out", 2*time.Second, func() {
-		if err := cli.CmdRun("-i", "-t", "-d", unitTestImageID, "cat"); err != nil {
-			t.Fatal(err)
-		}
-	})
-
-	container := waitContainerStart(t, 10*time.Second)
-
-	state := setRaw(t, container)
-	defer unsetRaw(t, container, state)
-
-	stdout, stdoutPipe = io.Pipe()
-	cpty, tty, err = pty.Open()
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	cli = client.NewDockerCli(tty, stdoutPipe, ioutil.Discard, "", testDaemonProto, testDaemonAddr, nil)
-
-	ch := make(chan struct{})
-	go func() {
-		defer close(ch)
-		if err := cli.CmdAttach(stringid.TruncateID(container.ID)); err != nil {
-			if err != io.ErrClosedPipe {
-				t.Fatal(err)
-			}
-		}
-	}()
-
-	setTimeout(t, "First read/write assertion timed out", 2*time.Second, func() {
-		if err := assertPipe("hello\n", "hello", stdout, cpty, 150); err != nil {
-			if err != io.ErrClosedPipe {
-				t.Fatal(err)
-			}
-		}
-	})
-
-	setTimeout(t, "Escape sequence timeout", 5*time.Second, func() {
-		cpty.Write([]byte{16})
-		time.Sleep(100 * time.Millisecond)
-		cpty.Write([]byte{17})
-	})
-
-	// wait for CmdRun to return
-	setTimeout(t, "Waiting for CmdAttach timed out", 15*time.Second, func() {
-		<-ch
-	})
-	closeWrap(cpty, stdout, stdoutPipe)
-
-	time.Sleep(500 * time.Millisecond)
-	if !container.IsRunning() {
-		t.Fatal("The detached container should be still running")
-	}
-
-	setTimeout(t, "Waiting for container to die timedout", 5*time.Second, func() {
-		container.Kill()
-	})
-}
-
 // Expected behaviour, the process stays alive when the client disconnects
 func TestAttachDisconnect(t *testing.T) {
 	stdout, stdoutPipe := io.Pipe()