Fix a test that expects whitespace at the end of the line.

Signed-off-by: Daniel Nephin <dnephin@docker.com>

command/container/hijack.go

@@ -6,8 +6,8 @@ import (
 	"sync"
 
 	"github.com/Sirupsen/logrus"
-	"github.com/docker/docker/cli/command"
 	"github.com/docker/docker/api/types"
+	"github.com/docker/docker/cli/command"
 	"github.com/docker/docker/pkg/stdcopy"
 	"golang.org/x/net/context"
 )

command/container/tty.go

@@ -8,8 +8,8 @@ import (
 	"time"
 
 	"github.com/Sirupsen/logrus"
-	"github.com/docker/docker/cli/command"
 	"github.com/docker/docker/api/types"
+	"github.com/docker/docker/cli/command"
 	"github.com/docker/docker/client"
 	"github.com/docker/docker/pkg/signal"
 	"golang.org/x/net/context"

command/formatter/container_test.go

@@ -9,6 +9,7 @@ import (
 
 	"github.com/docker/docker/api/types"
 	"github.com/docker/docker/pkg/stringid"
+	"github.com/docker/docker/pkg/testutil/assert"
 )
 
 func TestContainerPsContext(t *testing.T) {
@@ -316,9 +317,7 @@ size: 0 B
 		context.context.Containers = containers
 		context.context.Write()
 		actual := out.String()
-		if actual != context.expected {
+		assert.Equal(t, actual, context.expected)
-			t.Fatalf("Expected \n%s, got \n%s", context.expected, actual)
-		}
 		// Clean buffer
 		out.Reset()
 	}