Cleanup errorOut resp in kill test

Docker-DCO-1.1-Signed-off-by: Jessica Frazelle <jess@docker.com> (github: jfrazelle)

integration-cli/docker_cli_kill_test.go

@@ -1,7 +1,6 @@
 package main
 
 import (
-	"fmt"
 	"os/exec"
 	"strings"
 	"testing"
@@ -10,21 +9,27 @@ import (
 func TestKillContainer(t *testing.T) {
 	runCmd := exec.Command(dockerBinary, "run", "-d", "busybox", "sh", "-c", "sleep 10")
 	out, _, err := runCommandWithOutput(runCmd)
-	errorOut(err, t, fmt.Sprintf("run failed with errors: %v", err))
+	if err != nil {
+		t.Fatal(out, err)
+	}
 
 	cleanedContainerID := stripTrailingCharacters(out)
 
 	inspectCmd := exec.Command(dockerBinary, "inspect", cleanedContainerID)
-	inspectOut, _, err := runCommandWithOutput(inspectCmd)
-	errorOut(err, t, fmt.Sprintf("out should've been a container id: %v %v", inspectOut, err))
+	if out, _, err = runCommandWithOutput(inspectCmd); err != nil {
+		t.Fatalf("out should've been a container id: %s, %v", out, err)
+	}
 
 	killCmd := exec.Command(dockerBinary, "kill", cleanedContainerID)
-	out, _, err = runCommandWithOutput(killCmd)
-	errorOut(err, t, fmt.Sprintf("failed to kill container: %v %v", out, err))
+	if out, _, err = runCommandWithOutput(killCmd); err != nil {
+		t.Fatalf("failed to kill container: %s, %v", out, err)
+	}
 
 	listRunningContainersCmd := exec.Command(dockerBinary, "ps", "-q")
 	out, _, err = runCommandWithOutput(listRunningContainersCmd)
-	errorOut(err, t, fmt.Sprintf("failed to list running containers: %v", err))
+	if err != nil {
+		t.Fatalf("failed to list running containers: %s, %v", out, err)
+	}
 
 	if strings.Contains(out, cleanedContainerID) {
 		t.Fatal("killed container is still running")
@@ -38,21 +43,27 @@ func TestKillContainer(t *testing.T) {
 func TestKillDifferentUserContainer(t *testing.T) {
 	runCmd := exec.Command(dockerBinary, "run", "-u", "daemon", "-d", "busybox", "sh", "-c", "sleep 10")
 	out, _, err := runCommandWithOutput(runCmd)
-	errorOut(err, t, fmt.Sprintf("run failed with errors: %v", err))
+	if err != nil {
+		t.Fatal(out, err)
+	}
 
 	cleanedContainerID := stripTrailingCharacters(out)
 
 	inspectCmd := exec.Command(dockerBinary, "inspect", cleanedContainerID)
-	inspectOut, _, err := runCommandWithOutput(inspectCmd)
-	errorOut(err, t, fmt.Sprintf("out should've been a container id: %v %v", inspectOut, err))
+	if out, _, err = runCommandWithOutput(inspectCmd); err != nil {
+		t.Fatalf("out should've been a container id: %s, %v", out, err)
+	}
 
 	killCmd := exec.Command(dockerBinary, "kill", cleanedContainerID)
-	out, _, err = runCommandWithOutput(killCmd)
-	errorOut(err, t, fmt.Sprintf("failed to kill container: %v %v", out, err))
+	if out, _, err = runCommandWithOutput(killCmd); err != nil {
+		t.Fatalf("failed to kill container: %s, %v", out, err)
+	}
 
 	listRunningContainersCmd := exec.Command(dockerBinary, "ps", "-q")
 	out, _, err = runCommandWithOutput(listRunningContainersCmd)
-	errorOut(err, t, fmt.Sprintf("failed to list running containers: %v", err))
+	if err != nil {
+		t.Fatalf("failed to list running containers: %s, %v", out, err)
+	}
 
 	if strings.Contains(out, cleanedContainerID) {
 		t.Fatal("killed container is still running")