fix(vrt): Fix browser list returned in Applitools config in local cases (#4961)

Author: Dottenpixel

applitools.config.js

@@ -3,6 +3,9 @@ const resolution = { width: 1024, height: 768 };
 
 const currentBranch = branch.sync();
 
+// these variable are involved in the `CI_VRT_` workflows: `full` and `chrome`
+// when this config is consumed by those workflows,
+// VRT_MODE is passed as an env var with either value
 const vrtMode = process.env.VRT_MODE;
 const VRT_MODE_CHROME = "chrome";
 const VRT_MODE_FULL = "full";
@@ -15,7 +18,12 @@ const browsersToTest = () => {
     { width: resolution.width, height: resolution.height, name: 'edgechromium' }
   ]
 
-  return browserTests.filter(test => {
+  // if VRT_MODE is not specified
+  return vrtMode === undefined
+    // return full browser list
+    ? browserTests
+    // or return a filtered list based on the value of VRT_MODE
+    : browserTests.filter(test => {
     return vrtMode === VRT_MODE_FULL || (vrtMode === VRT_MODE_CHROME && test.name === VRT_MODE_CHROME)
   })
 }