test(e2e): wait for sidebar to appear

Signed-off-by: Zacharias Fragkiadakis <zacfragkiadakis@gmail.com>

test/e2e/helpers/assertions.ts

@@ -1,14 +1,23 @@
 import { browser } from '@wdio/globals'
-import type { Workbench } from 'wdio-vscode-service'
+import type { ViewContent, Workbench } from 'wdio-vscode-service'
 
 /**
  * Asserts that the CLI Commands and Patches sections are visible in the sidebar. This is
  * considered the default state when the workspace is open with a git and rad initialized
  * repository.
  */
 export async function expectCliCommandsAndPatchesToBeVisible(workbench: Workbench) {
-  const sidebarView = workbench.getSideBar().getContent()
-  await sidebarView.wait()
+  let sidebarView: ViewContent
+
+  await browser.waitUntil(async () => {
+    try {
+      sidebarView = workbench.getSideBar().getContent()
+      await sidebarView.wait()
+      // eslint-disable-next-line prettier-vue/prettier
+    } catch { }
+
+    return Boolean(sidebarView)
+  })
 
   await browser.waitUntil(
     async () => {