Add glide.yaml and vendor deps

vendor/github.com/opencontainers/runc/libcontainer/error_test.go

@@ -0,0 +1,25 @@
+package libcontainer
+
+import "testing"
+
+func TestErrorCode(t *testing.T) {
+	codes := map[ErrorCode]string{
+		IdInUse:             "Id already in use",
+		InvalidIdFormat:     "Invalid format",
+		ContainerPaused:     "Container paused",
+		ConfigInvalid:       "Invalid configuration",
+		SystemError:         "System error",
+		ContainerNotExists:  "Container does not exist",
+		ContainerNotStopped: "Container is not stopped",
+		ContainerNotRunning: "Container is not running",
+		ConsoleExists:       "Console exists for process",
+		ContainerNotPaused:  "Container is not paused",
+		NoProcessOps:        "No process operations",
+	}
+
+	for code, expected := range codes {
+		if actual := code.String(); actual != expected {
+			t.Fatalf("expected string %q but received %q", expected, actual)
+		}
+	}
+}