Add ADS Windows support extension with LaunchSsmsDialog command (#4248)

* ADS Windows support extension with LaunchSsmsDialog command

* Update readme

* Fix spacing

* Update download with new file location and name

* Update SsmsMin package with bits from latest RC build and addressed some comments.

* Update extension name. Add Context menu extension for launching server properties dialog. Remove params interface from public API

* Rename folder and update README

* Correct README title

* Fix a few issues and clean up some stuff.

* Update to azdata namespace

* Refactor to use async/await and add some more telemetry

* Add .bat for running extension tests (currently only Notebook) and set up launch.json with 2 new launch configs for running & debugging extension tests.

* Rename files to make it clear these aren't the integration tests

* Update launch.config too

* Fix spacing and missed file name update

* Fix some bugs in buildSsmsMinCommandArgs and add unit tests

extensions/admin-tool-ext-win/src/test/index.ts

@@ -0,0 +1,30 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the Source EULA. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+const path = require('path');
+const testRunner = require('vscode/lib/testrunner');
+
+const suite = 'Database Admin Tool Extensions for Windows';
+
+const options: any = {
+    ui: 'bdd',
+    useColors: true,
+    timeout: 600000
+};
+
+if (process.env.BUILD_ARTIFACTSTAGINGDIRECTORY) {
+    options.reporter = 'mocha-multi-reporters';
+    options.reporterOptions = {
+        reporterEnabled: 'spec, mocha-junit-reporter',
+        mochaJunitReporterReporterOptions: {
+            testsuitesTitle: `${suite} ${process.platform}`,
+            mochaFile: path.join(process.env.BUILD_ARTIFACTSTAGINGDIRECTORY, `test-results/${process.platform}-${suite.toLowerCase().replace(/[^\w]/g, '-')}-results.xml`)
+        }
+    };
+}
+
+testRunner.configure(options);
+
+export = testRunner;