Run the integration tests in a random order

This commit configures Jasmine to no longer run the tests in a fixed
order, which combined with the previous isolation commits avoids being
able to accidentally introduce dependencies between integration tests.

Author: timvandermeij

test/integration/jasmine-boot.js

@@ -23,7 +23,7 @@ async function runTests(results) {
   jasmine.jasmine.DEFAULT_TIMEOUT_INTERVAL = 30000;
 
   jasmine.loadConfig({
-    random: false,
+    random: true,
     spec_dir: "integration",
     spec_files: [
       "accessibility_spec.mjs",