test: Adding Percy Snapshot on VTK, PDF and Microscopy tests (#1059)

* Adding Percy Snapshot on VTK, PDF and Microscopy tests

* Small improvement to always click on first search result

* Wait for search result

* Added timouts all over the code to avoid intermitted failures in CI

* Increasing Default Timeout and other configs

* Cleaning up the code

* try force enabling gpu

* Try custom executor with newer version of chrome

* Fix based on review comments

* Increased minimum thumbnails expected on VTK test

* Fix config validation

* Make sure we're using the chrome browser

platform/viewer/cypress/plugins/index.js

@@ -23,6 +23,12 @@ module.exports = (on, config) => {
       // whatever you return here becomes the new args
       return args;
     }
+
+    if (browser.name === 'chromium') {
+      const newArgs = args.filter(arg => arg !== '--disable-gpu');
+      newArgs.push('--ignore-gpu-blacklist');
+      return newArgs;
+    }
   });
 
   on('task', percyHealthCheck);