Creating a new database project, project items

* can create, open, and close sqlproj files
* can add sql objects to projects

extensions/sql-database-projects/src/test/datasource.test.ts

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+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the Source EULA. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import * as should from 'should';
+import * as baselines from './baselines/baselines';
+import * as testUtils from './testUtils';
+import * as sql from '../models/dataSources/sqlConnectionStringSource';
+import * as dataSources from '../models/dataSources/dataSources';
+
+describe('Data Sources: DataSource operations', function (): void {
+	before(async function () : Promise<void> {
+		await baselines.loadBaselines();
+	});
+
+	it('Should read DataSources from datasource.json', async function (): Promise<void> {
+		const dataSourcePath = await testUtils.createTestDataSources(baselines.openDataSourcesBaseline);
+		const dataSourceList = await dataSources.load(dataSourcePath);
+
+		should(dataSourceList.length).equal(2);
+
+		should(dataSourceList[0].name).equal('Test Data Source 1');
+		should(dataSourceList[0].type).equal(sql.SqlConnectionDataSource.type);
+		should((dataSourceList[0] as sql.SqlConnectionDataSource).getSetting('Initial Catalog')).equal('testDb');
+
+		should(dataSourceList[1].name).equal('My Other Data Source');
+		should((dataSourceList[1] as sql.SqlConnectionDataSource).getSetting('Integrated Security')).equal('False');
+	});
+});