Firstboot: Add testid to empty state buttons

src/Components/CreateImageWizardV2/steps/FirstBoot/index.tsx

@@ -64,6 +64,10 @@ const FirstBootStep = () => {
         onCodeChange={(code) => dispatch(setFirstBootScript(code))}
         code={selectedScript}
         height="35vh"
+        emptyStateButton={<span data-testid="firstboot_browse">Browse</span>}
+        emptyStateLink={
+          <span data-testid="firstboot_write_manual">Start from scratch</span>
+        }
       />
     </Form>
   );