fix(shell-center-row): Error when no action-bar is provided

src/components/calcite-shell-center-row/calcite-shell-center-row.tsx

@@ -67,9 +67,9 @@ export class CalciteShellCenterRow {
       </div>
     ) : null;
 
-    const children = [actionBarNode, contentNode];
-    
-    if (actionBar.position === "end") {
+    const children: VNode[] = [actionBarNode, contentNode];
+
+    if (actionBar?.position === "end") {
       children.reverse();
     }
 

src/tests/utils.ts

@@ -4,9 +4,11 @@ export interface SetUpPageOptions {
   withPeerDependencies: boolean;
 }
 
-export async function setUpPage(content: string, options?: SetUpPageOptions): Promise<E2EPage> {
-  const page = await newE2EPage();
-  await page.setContent(content);
+export async function setUpPage(html: string, options?: SetUpPageOptions): Promise<E2EPage> {
+  const page = await newE2EPage({
+    html,
+    failOnConsoleError: true
+  });
 
   if (options?.withPeerDependencies) {
     await page.addScriptTag({