diff --git a/package-lock.json b/package-lock.json
index 69b93b32f..116ac4ff2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1923,6 +1923,7 @@
       "resolved": "https://registry.npmjs.org/@lit-labs/testing/-/testing-0.2.7.tgz",
       "integrity": "sha512-1vuCq+uh6MId6VKzFyEtWejX3+VU0Xejaa1Fmdg5S10bh7Mv6u/KS1e4Z2yxnAHnpeLd5BezBrN13dEaKka+/A==",
       "dev": true,
+      "license": "BSD-3-Clause",
       "dependencies": {
         "@lit-labs/ssr": "^3.3.0",
         "@lit-labs/ssr-client": "^1.1.4",
@@ -13992,6 +13993,7 @@
         "style-observer": "^0.0.7"
       },
       "devDependencies": {
+        "@lit-labs/testing": "^0.2.7",
         "@wc-toolkit/jsx-types": "^1.3.0"
       },
       "engines": {
diff --git a/packages/webawesome/package.json b/packages/webawesome/package.json
index 31fdafedb..a5f27b127 100644
--- a/packages/webawesome/package.json
+++ b/packages/webawesome/package.json
@@ -88,6 +88,7 @@
     ]
   },
   "devDependencies": {
+    "@lit-labs/testing": "^0.2.7",
     "@wc-toolkit/jsx-types": "^1.3.0"
   }
 }
diff --git a/packages/webawesome/web-test-runner.config.js b/packages/webawesome/web-test-runner.config.js
index 8a0cab73c..23a8ef33c 100644
--- a/packages/webawesome/web-test-runner.config.js
+++ b/packages/webawesome/web-test-runner.config.js
@@ -5,6 +5,7 @@ import { globbySync } from 'globby';
 import * as os from 'os';
 import * as process from 'process';
 import { getAllComponents } from './scripts/shared.js';
+import {litSsrPlugin} from '@lit-labs/testing/web-test-runner-ssr-plugin.js';
 
 // Get a list of all Web Awesome component imports for the test runner
 const metadata = JSON.parse(readFileSync('./dist/custom-elements.json'), 'utf8');
@@ -74,6 +75,7 @@ export default {
       ts: true,
       target: 'es2020',
     }),
+    litSsrPlugin()
   ],
   browsers: [
     playwrightLauncher({ product: 'chromium', concurrency }),
@@ -93,6 +95,8 @@ export default {
           window.process = {env: { NODE_ENV: "production" }}
         </script>
         <script>
+          window.SSR_ONLY = ${process.env.SSR_ONLY === "true"}
+          window.CSR_ONLY = ${process.env.CSR_ONLY === "true"}
           window.serverComponents = [
             ${serverComponents.map(str => `"${str}"`).join(',\n')}
           ]