ci(aio): add initial implementation for aio-builds setup

aio/aio-builds-setup/dockerbuild/scripts-js/lib/common/run-tests.ts

@@ -0,0 +1,23 @@
+export const runTests = (specFiles: string[], helpers?: string[]) => {
+  // We can't use `import` here, because of the following mess:
+  // - GitHub project `jasmine/jasmine` is `jasmine-core` on npm and its typings `@types/jasmine`.
+  // - GitHub project `jasmine/jasmine-npm` is `jasmine` on npm and has no typings.
+  //
+  // Using `import...from 'jasmine'` here, would import from `@types/jasmine` (which refers to the
+  // `jasmine-core` module and the `jasmine` module).
+  // tslint:disable-next-line: no-var-requires variable-name
+  const Jasmine = require('jasmine');
+  const config = {
+    helpers,
+    random: true,
+    spec_files: specFiles,
+    stopSpecOnExpectationFailure: true,
+  };
+
+  process.on('unhandledRejection', (reason: any) => console.log('Unhandled rejection:', reason));
+
+  const runner = new Jasmine();
+  runner.loadConfig(config);
+  runner.onComplete((passed: boolean) => process.exit(passed ? 0 : 1));
+  runner.execute();
+};