adding canary graph in constants (#413)

Author: nikithauc

src/Constants.ts

@@ -25,4 +25,4 @@ export const GRAPH_BASE_URL = "https://graph.microsoft.com/";
  * To hold list of the service root endpoints for Microsoft Graph and Graph Explorer for each national cloud.
  * Set(iterable:Object) is not supported in Internet Explorer. The consumer is recommended to use a suitable polyfill.
  */
-export const GRAPH_URLS = new Set<string>(["graph.microsoft.com", "graph.microsoft.us", "dod-graph.microsoft.us", "graph.microsoft.de", "microsoftgraph.chinacloudapi.cn"]);
+export const GRAPH_URLS = new Set<string>(["graph.microsoft.com", "graph.microsoft.us", "dod-graph.microsoft.us", "graph.microsoft.de", "microsoftgraph.chinacloudapi.cn", "canary.graph.microsoft.com"]);

test/common/core/urlParsing.ts

@@ -46,6 +46,7 @@ const testCases = {
 
 	// National cloud deployment urls
 	"https://graph.microsoft.us/v1.0/me": "https://graph.microsoft.us/v1.0/me",
+	"https://canary.graph.microsoft.us/v1.0/me": "https://canary.graph.microsoft.us/v1.0/me",
 	"https://dod-graph.microsoft.us/beta/me?$filter=a": "https://dod-graph.microsoft.us/beta/me?$filter=a",
 };