diff --git a/tests/client/code.html b/tests/client/code.html
index 93ae6e7d..4119b0ef 100644
--- a/tests/client/code.html
+++ b/tests/client/code.html
@@ -1,23 +1,11 @@
 <script>
   (async () => {
-    const urlParams = new URLSearchParams(window.location.search);
-    const code = urlParams.get("code");
-    const clientId = urlParams.get("clientId");
-    const clientSecret = urlParams.get("clientSecret");
-    const keycloak = decodeURIComponent(urlParams.get("keycloak"));
-    const lang = urlParams.get("lang");
+    const {code, clientId, clientSecret, keycloak, lang, error, login} = await import("./common.js");
 
     if (!code) {
-      const error = urlParams.get("error");
       // Try again if we get a temporarily unavailable error
       if (error === "temporarily_unavailable") {
-        const nonce = crypto.getRandomValues(new BigUint64Array(1))[0];
-        const url = `${keycloak}/protocol/openid-connect/auth?response_type=code&client_id=${clientId}&redirect_uri=${encodeURIComponent(
-          `http://localhost:5604/code.html?clientId=${clientId}&clientSecret=${clientSecret}&lang=${lang}&keycloak=${encodeURIComponent(
-            keycloak
-          )}`
-        )}&scope=openid+profile+offline_access&state=${nonce}&ui_locales=${lang}`;
-        window.location = url;
+        login();
       }
     }
 
diff --git a/tests/client/common.js b/tests/client/common.js
new file mode 100644
index 00000000..f5a8c475
--- /dev/null
+++ b/tests/client/common.js
@@ -0,0 +1,16 @@
+const urlParams = new URLSearchParams(window.location.search);
+
+export const clientId = urlParams.get('clientId');
+export const clientSecret = urlParams.get('clientSecret');
+export const lang = urlParams.get('lang');
+export const keycloak = decodeURIComponent(urlParams.get('keycloak'));
+export const code = urlParams.get("code");
+export const error = urlParams.get("error");
+
+export function login() {
+    const nonce = crypto.getRandomValues(new BigUint64Array(1))[0];
+    const url = `${keycloak}/protocol/openid-connect/auth?response_type=code&client_id=${clientId}&redirect_uri=${
+        encodeURIComponent(`http://localhost:5604/code.html?clientId=${clientId}&clientSecret=${clientSecret}&lang=${lang}&keycloak=${encodeURIComponent(keycloak)}`)
+    }&scope=openid+profile+offline_access&state=${nonce}&ui_locales=${lang}`;
+    window.location = url;
+}
diff --git a/tests/client/index.html b/tests/client/index.html
index aa0926f4..e86f09a1 100644
--- a/tests/client/index.html
+++ b/tests/client/index.html
@@ -1,16 +1,7 @@
 <script>
-    const urlParams = new URLSearchParams(window.location.search);
-
-    const clientId = urlParams.get('clientId');
-    const clientSecret = urlParams.get('clientSecret');
-    const lang = urlParams.get('lang');
-    const keycloak = decodeURIComponent(urlParams.get('keycloak'));
-    const nonce = crypto.getRandomValues(new BigUint64Array(1))[0];
-    function login() {
-        const url = `${keycloak}/protocol/openid-connect/auth?response_type=code&client_id=${clientId}&redirect_uri=${
-            encodeURIComponent(`http://localhost:5604/code.html?clientId=${clientId}&clientSecret=${clientSecret}&lang=${lang}&keycloak=${encodeURIComponent(keycloak)}`)
-        }&scope=openid+profile+offline_access&state=${nonce}&ui_locales=${lang}`;
-        window.location = url;
+    async function login() {
+        const common = await import("./common.js");
+        common.login();
     }
 </script>
 <body>
