Add test coverage for dacpac wizard import flow (#11483)

* Adding importConfig onPageEnter() test

* Removing redundancy from dacpac wizard pages

* promisifying file selection so it can be awaited in the test

* removing debug prints

* PR feedback

extensions/dacpac/src/test/testUtils.ts

@@ -0,0 +1,22 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the Source EULA. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import * as azdata from 'azdata';
+
+export const mockConnectionProfile: azdata.connection.ConnectionProfile = {
+	providerId: 'MSSQL',
+	connectionId: 'My Connection ID',
+	connectionName: 'My Connection',
+	serverName: 'My Server',
+	databaseName: 'My Database',
+	userName: 'My User',
+	password: 'My Pwd',
+	authenticationType: 'SqlLogin',
+	savePassword: false,
+	groupFullName: 'My groupName',
+	groupId: 'My GroupId',
+	saveProfile: true,
+	options: {}
+};