Better test cleanup with defer

This fixes a few misuses of `deleteAllContainers()` cleanup
method in integration-cli suite by moving call to the
beginning of the method and guaranteeing their execution
(including panics) with `defer`s.

Also added some forgotten cleanup calls while I'm at it.

Signed-off-by: Ahmet Alp Balkan <ahmetalpbalkan@gmail.com>

integration-cli/docker_cli_daemon_test.go

@@ -137,6 +137,8 @@ func TestDaemonStartBridgeWithoutIPAssociation(t *testing.T) {
 }
 
 func TestDaemonIptablesClean(t *testing.T) {
+	defer deleteAllContainers()
+
 	d := NewDaemon(t)
 	if err := d.StartWithBusybox(); err != nil {
 		t.Fatalf("Could not start daemon with busybox: %v", err)
@@ -174,12 +176,12 @@ func TestDaemonIptablesClean(t *testing.T) {
 		t.Fatalf("iptables output should not have contained %q, but was %q", ipTablesSearchString, out)
 	}
 
-	deleteAllContainers()
-
 	logDone("daemon - run,iptables - iptables rules cleaned after daemon restart")
 }
 
 func TestDaemonIptablesCreate(t *testing.T) {
+	defer deleteAllContainers()
+
 	d := NewDaemon(t)
 	if err := d.StartWithBusybox(); err != nil {
 		t.Fatalf("Could not start daemon with busybox: %v", err)
@@ -226,8 +228,6 @@ func TestDaemonIptablesCreate(t *testing.T) {
 		t.Fatalf("iptables output after restart should have contained %q, but was %q", ipTablesSearchString, out)
 	}
 
-	deleteAllContainers()
-
 	logDone("daemon - run,iptables - iptables rules for always restarted container created after daemon restart")
 }