diff --git a/tests/openvidu-angular-web-tutorial.spec.js b/tests/openvidu-angular-web-tutorial.spec.js
index e8c83928..0bdc82aa 100644
--- a/tests/openvidu-angular-web-tutorial.spec.js
+++ b/tests/openvidu-angular-web-tutorial.spec.js
@@ -26,7 +26,7 @@ test('Checking for the presence of two active webcams in an OpenVidu session', a
 
     // Fill in the username field, click the join button, and wait for the session to become visible.
     await page1.fill('#userName', 'User1');
-    await page1.click('#join input[type="submit"]');
+    await page1.click('button.btn-success');
     await page1.waitForSelector('#session', { visible: true });
     await page1.waitForTimeout(5000);
 
diff --git a/tests/openvidu-getaroom-test.spec.js b/tests/openvidu-getaroom-test.spec.js
index 3e5657b2..9869dafa 100644
--- a/tests/openvidu-getaroom-test.spec.js
+++ b/tests/openvidu-getaroom-test.spec.js
@@ -26,6 +26,7 @@ test('Checking for the presence of two active webcams in an OpenVidu session', a
     await page1.waitForSelector('button.btn-success', { timeout: 10000 });
 
     // Click the button with the 'onclick' attribute.
+    
     await page1.click('button.btn-success');
     
     // Wait for the '#session' element to become visible and wait for 5 seconds.
diff --git a/tests/openvidu-hello-world-test.spec.js b/tests/openvidu-hello-world-test.spec.js
index b44a3dc8..82ac46cb 100644
--- a/tests/openvidu-hello-world-test.spec.js
+++ b/tests/openvidu-hello-world-test.spec.js
@@ -24,7 +24,7 @@ test('Checking for the presence of two active webcams in an OpenVidu session', a
     
 
     // Interact with page1, such as clicking a button and waiting for a specific element to become visible, then wait for a timeout..
-    await page1.click('#join input[type="submit"]');
+    await page1.click('button.btn-success');
     await page1.waitForSelector('#session', { visible: true });
     await page1.waitForTimeout(5000);
 
diff --git a/tests/openvidu-iframe-tutorial.spec.js b/tests/openvidu-iframe-tutorial.spec.js
index bc91ba8c..b2ad8883 100644
--- a/tests/openvidu-iframe-tutorial.spec.js
+++ b/tests/openvidu-iframe-tutorial.spec.js
@@ -27,7 +27,6 @@ test('Checking for the presence of two active webcams in an OpenVidu session', a
     let iframeHandle = await page1.waitForSelector('iframe.openvidu-iframe');
     let frame = await iframeHandle.contentFrame();
 
-    
 
     // Click the "JOIN" button within the iframe and wait for the '#session' element to become visible.
     await frame.click('input[type="submit"]');
diff --git a/tests/openvidu-js-screen-share-tutorial.spec.js b/tests/openvidu-js-screen-share-tutorial.spec.js
index 32a8cf8f..3fec69d9 100644
--- a/tests/openvidu-js-screen-share-tutorial.spec.js
+++ b/tests/openvidu-js-screen-share-tutorial.spec.js
@@ -24,7 +24,7 @@ test('Checking for the presence of two active webcams in an OpenVidu session', a
 
     // Fill in the '#userName' field with 'Page1', click the 'JOIN' button, and wait for the '#session' element to become visible.
     await page1.fill('#userName', 'User1');
-    await page1.click('#join input[type="submit"]');
+    await page1.click('button.btn-success');
     await page1.waitForSelector('#session', { visible: true });
     await page1.waitForTimeout(5000);
 
diff --git a/tests/openvidu-js-web-tutorial.spec.js b/tests/openvidu-js-web-tutorial.spec.js
index fe3807b6..082ab3c8 100644
--- a/tests/openvidu-js-web-tutorial.spec.js
+++ b/tests/openvidu-js-web-tutorial.spec.js
@@ -26,7 +26,10 @@ test('Checking for the presence of two active webcams in an OpenVidu session', a
     
     // Fill in the '#userName' field with 'Page1', click the 'JOIN' button, and wait for the '#session' element to become visible.
     await page1.fill('#userName', 'User1');
-    await page1.click('#join input[type="submit"]');
+
+    await page1.click('button.btn-success');
+
+    
     await page1.waitForSelector('#session', { visible: true });
     await page1.waitForTimeout(5000);
 
diff --git a/tests/openvidu-react-web-tutorial.spec.js b/tests/openvidu-react-web-tutorial.spec.js
index 4d2bbe27..d4e3f01c 100644
--- a/tests/openvidu-react-web-tutorial.spec.js
+++ b/tests/openvidu-react-web-tutorial.spec.js
@@ -27,7 +27,7 @@ test('Checking for the presence of two active webcams in an OpenVidu session', a
     
     // Fill in the '#userName' field with 'Page1', click the 'JOIN' button, and wait for the '#session' element to become visible.
     await page1.fill('#userName', 'User1');
-    await page1.click('#join input[type="submit"]');
+    await page1.click('button.btn-success');
     await page1.waitForSelector('#session', { visible: true });
     await page1.waitForTimeout(5000);
     
diff --git a/tests/openvidu-recording-java-tutorial.spec.js b/tests/openvidu-recording-java-tutorial.spec.js
index 26b3c538..45657391 100644
--- a/tests/openvidu-recording-java-tutorial.spec.js
+++ b/tests/openvidu-recording-java-tutorial.spec.js
@@ -28,7 +28,7 @@ test('Checking for the presence of two active webcams in an OpenVidu session', a
     await page1.goto('https://localhost:5000');
 
     // Perform actions on the first page.
-    await page1.click('#join-btn');
+    await page1.click('button.btn-success');
     await page1.waitForSelector('#session', { visible: true });
     
     // Find video elements on the first page and verify there is exactly one.
@@ -46,8 +46,8 @@ test('Checking for the presence of two active webcams in an OpenVidu session', a
     await page2.waitForSelector('#session', { visible: true });
     await page2.click('#buttonStartRecording');
     await page2.click('#buttonGetRecording');
-    await page2.waitForTimeout(5000); 
     await page2.screenshot({ path: '../results/screenshots/page2_startrecording_screenshot.png' });
+    await page2.waitForTimeout(5000);
     await page2.click('#buttonStopRecording');
     await page2.click('#buttonGetRecording');
     await page2.screenshot({ path: '../results/screenshots/page2_stoprecording_screenshot.png' });
diff --git a/tests/openvidu-recording-node-tutorial.spec.js b/tests/openvidu-recording-node-tutorial.spec.js
index 6d9dbb1e..ffb7df57 100644
--- a/tests/openvidu-recording-node-tutorial.spec.js
+++ b/tests/openvidu-recording-node-tutorial.spec.js
@@ -28,7 +28,7 @@ test('Checking for the presence of two active webcams in an OpenVidu session', a
     await page1.goto('http://localhost:5000');
 
     // Perform actions on the first page.
-    await page1.click('#join-btn');
+    await page1.click('button.btn-success');
     await page1.waitForSelector('#session', { visible: true });
    
     // Find video elements on the first page and verify there is exactly one.
diff --git a/tests/openvidu-vue-tutorial.spec.js b/tests/openvidu-vue-tutorial.spec.js
index 9b846069..245f6d88 100644
--- a/tests/openvidu-vue-tutorial.spec.js
+++ b/tests/openvidu-vue-tutorial.spec.js
@@ -22,10 +22,12 @@ test('Checking for the presence of two active webcams in an OpenVidu session', a
     // Navigate to a specific URL on page 1 and perform actions such as filling a text field and clicking a button.
     await page1.goto('http://localhost:8080');
     await page1.fill('input[type="text"]', 'User1');
-    await page1.click('button.btn.btn-lg.btn-success');
+    await page1.click('button.btn-success');
+
     // Wait for a specific element to become visible.
     await page1.waitForSelector('#session', { visible: true });
-    
+    await page1.waitForTimeout(5000);
+
     // Find video elements on page 1 and verify there are exactly two of them.
     var videoElements = await page1.$$('video');
     expect(videoElements.length).toEqual(2);