diff --git a/integration-cli/docker_cli_kill_test.go b/integration-cli/docker_cli_kill_test.go
index 5632db71e8..99093e0f54 100644
--- a/integration-cli/docker_cli_kill_test.go
+++ b/integration-cli/docker_cli_kill_test.go
@@ -5,6 +5,7 @@ import (
 	"net/http"
 	"strings"
 
+	"github.com/docker/docker/pkg/integration/checker"
 	"github.com/go-check/check"
 )
 
@@ -17,9 +18,8 @@ func (s *DockerSuite) TestKillContainer(c *check.C) {
 	dockerCmd(c, "kill", cleanedContainerID)
 
 	out, _ = dockerCmd(c, "ps", "-q")
-	if strings.Contains(out, cleanedContainerID) {
-		c.Fatal("killed container is still running")
-	}
+	c.Assert(out, checker.Not(checker.Contains), cleanedContainerID, check.Commentf("killed container is still running"))
+
 }
 
 func (s *DockerSuite) TestKillofStoppedContainer(c *check.C) {
@@ -42,9 +42,8 @@ func (s *DockerSuite) TestKillDifferentUserContainer(c *check.C) {
 	dockerCmd(c, "kill", cleanedContainerID)
 
 	out, _ = dockerCmd(c, "ps", "-q")
-	if strings.Contains(out, cleanedContainerID) {
-		c.Fatal("killed container is still running")
-	}
+	c.Assert(out, checker.Not(checker.Contains), cleanedContainerID, check.Commentf("killed container is still running"))
+
 }
 
 // regression test about correct signal parsing see #13665
@@ -57,9 +56,8 @@ func (s *DockerSuite) TestKillWithSignal(c *check.C) {
 	dockerCmd(c, "kill", "-s", "SIGWINCH", cid)
 
 	running, _ := inspectField(cid, "State.Running")
-	if running != "true" {
-		c.Fatal("Container should be in running state after SIGWINCH")
-	}
+
+	c.Assert(running, checker.Equals, "true", check.Commentf("Container should be in running state after SIGWINCH"))
 }
 
 func (s *DockerSuite) TestKillWithInvalidSignal(c *check.C) {
@@ -70,14 +68,10 @@ func (s *DockerSuite) TestKillWithInvalidSignal(c *check.C) {
 
 	out, _, err := dockerCmdWithError("kill", "-s", "0", cid)
 	c.Assert(err, check.NotNil)
-	if !strings.ContainsAny(out, "Invalid signal: 0") {
-		c.Fatal("Kill with an invalid signal didn't error out correctly")
-	}
+	c.Assert(out, checker.Contains, "Invalid signal: 0", check.Commentf("Kill with an invalid signal didn't error out correctly"))
 
 	running, _ := inspectField(cid, "State.Running")
-	if running != "true" {
-		c.Fatal("Container should be in running state after an invalid signal")
-	}
+	c.Assert(running, checker.Equals, "true", check.Commentf("Container should be in running state after an invalid signal"))
 
 	out, _ = dockerCmd(c, "run", "-d", "busybox", "top")
 	cid = strings.TrimSpace(out)
@@ -85,14 +79,11 @@ func (s *DockerSuite) TestKillWithInvalidSignal(c *check.C) {
 
 	out, _, err = dockerCmdWithError("kill", "-s", "SIG42", cid)
 	c.Assert(err, check.NotNil)
-	if !strings.ContainsAny(out, "Invalid signal: SIG42") {
-		c.Fatal("Kill with an invalid signal error out correctly")
-	}
+	c.Assert(out, checker.Contains, "Invalid signal: SIG42", check.Commentf("Kill with an invalid signal error out correctly"))
 
 	running, _ = inspectField(cid, "State.Running")
-	if running != "true" {
-		c.Fatal("Container should be in running state after an invalid signal")
-	}
+	c.Assert(running, checker.Equals, "true", check.Commentf("Container should be in running state after an invalid signal"))
+
 }
 
 func (s *DockerSuite) TestKillStoppedContainerAPIPre120(c *check.C) {