Make the samples and the tests use the same environment variable (and…

… swap the environment variable to match the one the other SDKs agreed on)

sdk/appconfiguration/app-configuration/samples/sampleHelpers.ts

@@ -1,5 +1,10 @@
 import { AppConfigurationClient } from "../src"
 
+// allow loading from a .env file as an alternative to defining the variable 
+// in the environment
+import * as dotenv from "dotenv";
+dotenv.config();
+
 export function getConnectionStringFromEnvironment() : string {
     const connectionString = process.env["AZ_CONFIG_CONNECTION"]!;
 

sdk/appconfiguration/app-configuration/test/index.spec.ts

@@ -2,20 +2,19 @@
 // Licensed under the MIT License.
 
 import * as assert from "assert";
-import { getConnectionString } from "./testhelpers";
+import { getConnectionStringFromEnvironment } from "../samples/sampleHelpers";
 import * as dotenv from "dotenv";
 import { AppConfigurationClient } from "../src";
 
 dotenv.config();
 
 describe("AppConfigurationClient", () => {
   const settings: Array<{ key: string; label?: string }> = [];
-  const connectionString: string = process.env["APPCONFIG_CONNECTION_STRING"]!;
 
   let client: AppConfigurationClient;
 
   before("validate environment variables", () => {
-    let connectionString = getConnectionString();
+    let connectionString = getConnectionStringFromEnvironment();
     client = new AppConfigurationClient(connectionString);
   });
 
@@ -27,7 +26,6 @@ describe("AppConfigurationClient", () => {
 
   describe("constructor", () => {
     it("supports connection string", async () => {
-      const client = new AppConfigurationClient(connectionString);
       // make sure a service call succeeds
       await client.listConfigurationSettings();
     });