cmd/pkgserver: set exit code when running JS tests from CLI

cmd/pkgserver/ui/static/run_tests.ts

@@ -43,4 +43,6 @@ if (args.length === 1) {
     }
 }
 
-TESTS.run(new StreamReporter({ writeln: console.log }, verbose));
+let reporter = new StreamReporter({ writeln: console.log }, verbose);
+TESTS.run(reporter);
+exit(reporter.succeeded() ? 0 : 1);

cmd/pkgserver/ui/static/test.ts

@@ -198,6 +198,10 @@ export class StreamReporter implements Reporter {
         this.#skips = [];
     }
 
+    succeeded(): boolean {
+        return this.#successes.length > 0 && this.#failures.length === 0;
+    }
+
     register(suites: TestGroup[]) {}
 
     update(path: string[], result: TestResult) {