feat(webexadapter): add datasource instance property

src/adapters/WebexAdapter.js

@@ -1 +1,9 @@
-export default class WebexAdapter {}
+export default class WebexAdapter {
+  /**
+   * Creates a new instance of the WebexAdapter.
+   * @param {Object} datasource The primary datasource the adapter will be using.
+   */
+  constructor(datasource) {
+    this.datasource = datasource;
+  }
+}

src/adapters/WebexAdapter.test.js

@@ -0,0 +1,18 @@
+import WebexAdapter from './WebexAdapter';
+
+describe('Webex Adapter Interface', () => {
+  let webexAdapter, datasource;
+
+  beforeEach(() => {
+    datasource = 'WebexAdapterDataSource';
+    webexAdapter = new WebexAdapter(datasource);
+  });
+
+  test('WebexAdapter stores the data source', () => {
+    expect(webexAdapter.datasource).toBe(datasource);
+  });
+
+  afterEach(() => {
+    webexAdapter = null;
+  });
+});