diff --git a/addons/xterm-addon-attach/src/AttachAddon.api.ts b/addons/xterm-addon-attach/src/AttachAddon.api.ts
index 14ac1e1cf..065c1940a 100644
--- a/addons/xterm-addon-attach/src/AttachAddon.api.ts
+++ b/addons/xterm-addon-attach/src/AttachAddon.api.ts
@@ -20,8 +20,8 @@ describe('AttachAddon', () => {
       headless: process.argv.indexOf('--headless') !== -1,
       args: [`--window-size=${width},${height}`, `--no-sandbox`]
     });
-    page = (await browser.defaultContext().pages())[0];
-    await page.setViewport({ width, height });
+    page = await (await browser.newContext()).newPage();
+    await page.setViewportSize({ width, height });
   });
 
   after(async () => {
diff --git a/addons/xterm-addon-fit/src/FitAddon.api.ts b/addons/xterm-addon-fit/src/FitAddon.api.ts
index 824db4e8d..33a0e6fd7 100644
--- a/addons/xterm-addon-fit/src/FitAddon.api.ts
+++ b/addons/xterm-addon-fit/src/FitAddon.api.ts
@@ -22,8 +22,8 @@ describe('FitAddon', () => {
       headless: process.argv.indexOf('--headless') !== -1,
       args: [`--window-size=${width},${height}`, `--no-sandbox`]
     });
-    page = (await browser.defaultContext().pages())[0];
-    await page.setViewport({ width, height });
+    page = await (await browser.newContext()).newPage();
+    await page.setViewportSize({ width, height });
     await page.goto(APP);
     await openTerminal(page);
     // This is used to do conditional assertions since cell height is 1 pixel higher with the
diff --git a/addons/xterm-addon-search/src/SearchAddon.api.ts b/addons/xterm-addon-search/src/SearchAddon.api.ts
index 7d2782454..21e9d04b8 100644
--- a/addons/xterm-addon-search/src/SearchAddon.api.ts
+++ b/addons/xterm-addon-search/src/SearchAddon.api.ts
@@ -22,8 +22,8 @@ describe('Search Tests', function(): void {
       headless: process.argv.indexOf('--headless') !== -1,
       args: [`--window-size=${width},${height}`, `--no-sandbox`]
     });
-    page = (await browser.defaultContext().pages())[0];
-    await page.setViewport({ width, height });
+    page = await (await browser.newContext()).newPage();
+    await page.setViewportSize({ width, height });
     await page.goto(APP);
     await openTerminal(page);
     await page.evaluate(`window.search = new SearchAddon();`);
diff --git a/addons/xterm-addon-serialize/src/SerializeAddon.api.ts b/addons/xterm-addon-serialize/src/SerializeAddon.api.ts
index aba4b0913..072804f25 100644
--- a/addons/xterm-addon-serialize/src/SerializeAddon.api.ts
+++ b/addons/xterm-addon-serialize/src/SerializeAddon.api.ts
@@ -20,8 +20,8 @@ describe('SerializeAddon', () => {
       headless: process.argv.indexOf('--headless') !== -1,
       args: [`--window-size=${width},${height}`]
     });
-    page = (await browser.defaultContext().pages())[0];
-    await page.setViewport({ width, height });
+    page = await (await browser.newContext()).newPage();
+    await page.setViewportSize({ width, height });
     await page.goto(APP);
     await openTerminal(page, { rows: 10, cols: 10, rendererType: 'dom' });
     await page.evaluate(`
diff --git a/addons/xterm-addon-unicode11/src/Unicode11Addon.api.ts b/addons/xterm-addon-unicode11/src/Unicode11Addon.api.ts
index 3402dac77..cf12dae18 100644
--- a/addons/xterm-addon-unicode11/src/Unicode11Addon.api.ts
+++ b/addons/xterm-addon-unicode11/src/Unicode11Addon.api.ts
@@ -20,8 +20,8 @@ describe('Unicode11Addon', () => {
       headless: process.argv.indexOf('--headless') !== -1,
       args: [`--window-size=${width},${height}`, `--no-sandbox`]
     });
-    page = (await browser.defaultContext().pages())[0];
-    await page.setViewport({ width, height });
+    page = await (await browser.newContext()).newPage();
+    await page.setViewportSize({ width, height });
   });
 
   after(async () => {
diff --git a/addons/xterm-addon-web-links/src/WebLinksAddon.api.ts b/addons/xterm-addon-web-links/src/WebLinksAddon.api.ts
index 001819566..16789233a 100644
--- a/addons/xterm-addon-web-links/src/WebLinksAddon.api.ts
+++ b/addons/xterm-addon-web-links/src/WebLinksAddon.api.ts
@@ -20,8 +20,8 @@ describe('WebLinksAddon', () => {
       headless: process.argv.indexOf('--headless') !== -1,
       args: [`--window-size=${width},${height}`, `--no-sandbox`]
     });
-    page = (await browser.defaultContext().pages())[0];
-    await page.setViewport({ width, height });
+    page = await (await browser.newContext()).newPage();
+    await page.setViewportSize({ width, height });
   });
 
   after(async () => await browser.close());
diff --git a/addons/xterm-addon-webgl/src/WebglRenderer.api.ts b/addons/xterm-addon-webgl/src/WebglRenderer.api.ts
index 014825c7a..c3e27c7de 100644
--- a/addons/xterm-addon-webgl/src/WebglRenderer.api.ts
+++ b/addons/xterm-addon-webgl/src/WebglRenderer.api.ts
@@ -902,8 +902,8 @@ async function setupBrowser(options: ITerminalOptions = { rendererType: 'dom' })
     headless: process.argv.indexOf('--headless') !== -1,
     args: [`--window-size=${width},${height}`, `--no-sandbox`]
   });
-  page = (await browser.defaultContext().pages())[0];
-  await page.setViewport({ width, height });
+  page = await (await browser.newContext()).newPage();
+  await page.setViewportSize({ width, height });
   await page.goto(APP);
   await openTerminal(page, options);
   await page.evaluate(`
diff --git a/test/api/CharWidth.api.ts b/test/api/CharWidth.api.ts
index 1bafea502..1fe8a34d5 100644
--- a/test/api/CharWidth.api.ts
+++ b/test/api/CharWidth.api.ts
@@ -19,8 +19,8 @@ describe('CharWidth Integration Tests', function(): void {
       headless: process.argv.indexOf('--headless') !== -1,
       args: [`--window-size=${width},${height}`, `--no-sandbox`]
     });
-    page = (await browser.defaultContext().pages())[0];
-    await page.setViewport({ width, height });
+    page = await (await browser.newContext()).newPage();
+    await page.setViewportSize({ width, height });
     await page.goto(APP);
     await openTerminal(page, { rows: 5, cols: 30 });
   });
diff --git a/test/api/InputHandler.api.ts b/test/api/InputHandler.api.ts
index 60f434a70..a4d3f82f7 100644
--- a/test/api/InputHandler.api.ts
+++ b/test/api/InputHandler.api.ts
@@ -25,8 +25,8 @@ describe('InputHandler Integration Tests', function(): void {
       headless: process.argv.indexOf('--headless') !== -1,
       args: [`--window-size=${width},${height}`, `--no-sandbox`]
     });
-    page = (await browser.defaultContext().pages())[0];
-    await page.setViewport({ width, height });
+    page = await (await browser.newContext()).newPage();
+    await page.setViewportSize({ width, height });
     await page.goto(APP);
     await openTerminal(page);
   });
diff --git a/test/api/MouseTracking.api.ts b/test/api/MouseTracking.api.ts
index f61296255..27283c194 100644
--- a/test/api/MouseTracking.api.ts
+++ b/test/api/MouseTracking.api.ts
@@ -214,8 +214,8 @@ describe('Mouse Tracking Tests', () => {
       headless: process.argv.indexOf('--headless') !== -1,
       args: [`--window-size=${width},${height}`, `--no-sandbox`]
     });
-    page = (await browser.defaultContext().pages())[0];
-    await page.setViewport({ width, height });
+    page = await (await browser.newContext()).newPage();
+    await page.setViewportSize({ width, height });
   });
 
   after(async () => browser.close());
diff --git a/test/api/Parser.api.ts b/test/api/Parser.api.ts
index 87f64de34..5ac287a58 100644
--- a/test/api/Parser.api.ts
+++ b/test/api/Parser.api.ts
@@ -20,8 +20,8 @@ describe('Parser Integration Tests', function(): void {
       headless: process.argv.indexOf('--headless') !== -1,
       args: [`--window-size=${width},${height}`, `--no-sandbox`]
     });
-    page = (await browser.defaultContext().pages())[0];
-    await page.setViewport({ width, height });
+    page = await (await browser.newContext()).newPage();
+    await page.setViewportSize({ width, height });
     await page.goto(APP);
     await openTerminal(page);
   });
diff --git a/test/api/Terminal.api.ts b/test/api/Terminal.api.ts
index 7bd0c0f34..188a6f7c0 100644
--- a/test/api/Terminal.api.ts
+++ b/test/api/Terminal.api.ts
@@ -20,8 +20,8 @@ describe('API Integration Tests', function(): void {
       headless: process.argv.indexOf('--headless') !== -1,
       args: [`--window-size=${width},${height}`, `--no-sandbox`]
     });
-    page = (await browser.defaultContext().pages())[0];
-    await page.setViewport({ width, height });
+    page = await (await browser.newContext()).newPage();
+    await page.setViewportSize({ width, height });
   });
 
   after(async () => browser.close());