Mono repo -> Master (#22553)

Combines the following repositories into one:

https://github.com/mattermost/mattermost-server
https://github.com/mattermost/mattermost-webapp
https://github.com/mattermost/focalboard
https://github.com/mattermost/mattermost-plugin-playbooks

server/boards/utils/debug.go

@@ -0,0 +1,23 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package utils
+
+import (
+	"os"
+	"strings"
+)
+
+// IsRunningUnitTests returns true if this instance of FocalBoard is running unit or integration tests.
+func IsRunningUnitTests() bool {
+	testing := os.Getenv("FOCALBOARD_UNIT_TESTING")
+	if testing == "" {
+		return false
+	}
+
+	switch strings.ToLower(testing) {
+	case "1", "t", "y", "true", "yes":
+		return true
+	}
+	return false
+}