@@ -16,7 +16,6 @@ import (

 // Regression test for #9414

 func (s *DockerSuite) TestExecApiCreateNoCmd(c *check.C) {

-	testRequires(c, DaemonIsLinux)

 	name := "exec_test"

 	dockerCmd(c, "run", "-d", "-t", "--name", name, "busybox", "/bin/sh")

@@ -29,7 +28,6 @@ func (s *DockerSuite) TestExecApiCreateNoCmd(c *check.C) {

 }

 func (s *DockerSuite) TestExecApiCreateNoValidContentType(c *check.C) {

-	testRequires(c, DaemonIsLinux)

 	name := "exec_test"

 	dockerCmd(c, "run", "-d", "-t", "--name", name, "busybox", "/bin/sh")

@@ -50,6 +48,7 @@ func (s *DockerSuite) TestExecApiCreateNoValidContentType(c *check.C) {

 }

 func (s *DockerSuite) TestExecApiCreateContainerPaused(c *check.C) {

+	// Not relevant on Windows as Windows containers cannot be paused

 	testRequires(c, DaemonIsLinux)

 	name := "exec_create_test"

 	dockerCmd(c, "run", "-d", "-t", "--name", name, "busybox", "/bin/sh")

@@ -63,7 +62,7 @@ func (s *DockerSuite) TestExecApiCreateContainerPaused(c *check.C) {

 	c.Assert(string(body), checker.Contains, "Container "+name+" is paused, unpause the container before exec", comment)

 }

-func (s *DockerSuite) TestExecAPIStart(c *check.C) {

+func (s *DockerSuite) TestExecApiStart(c *check.C) {

 	testRequires(c, DaemonIsLinux) // Uses pause/unpause but bits may be salvagable to Windows to Windows CI

 	dockerCmd(c, "run", "-d", "--name", "test", "busybox", "top")

@@ -86,8 +85,8 @@ func (s *DockerSuite) TestExecAPIStart(c *check.C) {

 	startExec(c, id, http.StatusOK)

 }

-func (s *DockerSuite) TestExecAPIStartBackwardsCompatible(c *check.C) {

-	dockerCmd(c, "run", "-d", "--name", "test", "busybox", "top")

+func (s *DockerSuite) TestExecApiStartBackwardsCompatible(c *check.C) {

+	runSleepingContainer(c, "-d", "--name", "test")

 	id := createExec(c, "test")

 	resp, body, err := sockRequestRaw("POST", fmt.Sprintf("/v1.20/exec/%s/start", id), strings.NewReader(`{"Detach": true}`), "text/plain")

@@ -100,12 +99,12 @@ func (s *DockerSuite) TestExecAPIStartBackwardsCompatible(c *check.C) {

 }

 // #19362

-func (s *DockerSuite) TestExecAPIStartMultipleTimesError(c *check.C) {

-	dockerCmd(c, "run", "-d", "--name", "test", "busybox", "top")

+func (s *DockerSuite) TestExecApiStartMultipleTimesError(c *check.C) {

+	runSleepingContainer(c, "-d", "--name", "test")

 	execID := createExec(c, "test")

 	startExec(c, execID, http.StatusOK)

-	timeout := time.After(10 * time.Second)

+	timeout := time.After(60 * time.Second)

 	var execJSON struct{ Running bool }

 	for {

 		select {