Mock clipboard behavior

Author: Tim McMackin

test/playwright/site.spec.js

@@ -16,6 +16,22 @@ test('navigation', async ({ page }) => {
 });
 
 test('code copy buttons', async ({ page, context }) => {
+
+  await page.addInitScript(() => {
+    let clipboard = '';
+
+    Object.defineProperty(navigator, 'clipboard', {
+      configurable: false,
+      writable: false,
+      value: {
+        writeText: async (text) => {
+          clipboard = text;
+        },
+        readText: async () => clipboard,
+      },
+    });
+  });
+
   await context.grantPermissions(['clipboard-read']);
   await page.goto('https://docs.etherlink.com/get-started/network-information');