diff --git a/components/engine/integration-cli/docker_cli_exec_unix_test.go b/components/engine/integration-cli/docker_cli_exec_unix_test.go
index 337a90b116..4c77df4f11 100644
--- a/components/engine/integration-cli/docker_cli_exec_unix_test.go
+++ b/components/engine/integration-cli/docker_cli_exec_unix_test.go
@@ -25,10 +25,6 @@ func (s *DockerSuite) TestExecInteractiveStdinClose(c *check.C) {
 	c.Assert(err, checker.IsNil)
 
 	b := bytes.NewBuffer(nil)
-	go func() {
-		io.Copy(b, p)
-		p.Close()
-	}()
 
 	ch := make(chan error)
 	go func() { ch <- cmd.Wait() }()
@@ -36,9 +32,14 @@ func (s *DockerSuite) TestExecInteractiveStdinClose(c *check.C) {
 	select {
 	case err := <-ch:
 		c.Assert(err, checker.IsNil)
-		output := b.String()
+		io.Copy(b, p)
+		p.Close()
+		bs := b.Bytes()
+		bs = bytes.Trim(bs, "\x00")
+		output := string(bs[:])
 		c.Assert(strings.TrimSpace(output), checker.Equals, "hello")
 	case <-time.After(5 * time.Second):
+		p.Close()
 		c.Fatal("timed out running docker exec")
 	}
 }
diff --git a/components/engine/integration/network/inspect_test.go b/components/engine/integration/network/inspect_test.go
index e88d739fd9..052642f980 100644
--- a/components/engine/integration/network/inspect_test.go
+++ b/components/engine/integration/network/inspect_test.go
@@ -34,7 +34,7 @@ func TestInspectNetwork(t *testing.T) {
 	overlayID := netResp.ID
 
 	var instances uint64 = 4
-	serviceName := "TestService"
+	serviceName := "TestService" + t.Name()
 
 	serviceID := swarm.CreateService(t, d,
 		swarm.ServiceWithReplicas(instances),
diff --git a/components/engine/integration/network/service_test.go b/components/engine/integration/network/service_test.go
index 9b0c027598..8a92786fd8 100644
--- a/components/engine/integration/network/service_test.go
+++ b/components/engine/integration/network/service_test.go
@@ -207,7 +207,7 @@ func TestServiceWithPredefinedNetwork(t *testing.T) {
 
 	hostName := "host"
 	var instances uint64 = 1
-	serviceName := "TestService"
+	serviceName := "TestService" + t.Name()
 
 	serviceID := swarm.CreateService(t, d,
 		swarm.ServiceWithReplicas(instances),