test: snapshot junit output for empty diagnostic

Signed-off-by: Lazizbek Ergashev <lazerg2@gmail.com>

Author: lazerg

…fixtures/test-runner/empty-diagnostic.js …-runner/output/junit_empty_diagnostic.jstest/fixtures/test-runner/empty-diagnostic.js renamed to test/fixtures/test-runner/output/junit_empty_diagnostic.js test/fixtures/test-runner/empty-diagnostic.js renamed to test/fixtures/test-runner/output/junit_empty_diagnostic.js

@@ -1,3 +1,4 @@
+// Flags: --test --test-reporter=junit
 'use strict';
 const test = require('node:test');
 

test/fixtures/test-runner/output/junit_empty_diagnostic.snapshot

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<testsuites>
+	<testcase name="failing" time="*" classname="test" file="*" failure="error">
+		<failure type="testCodeFailure" message="error">
+[Error [ERR_TEST_FAILURE]: error] {
+  code: 'ERR_TEST_FAILURE',
+  failureType: 'testCodeFailure',
+  cause: Error: error
+      at TestContext.&lt;anonymous> (<project-root>/test/fixtures/test-runner/output/junit_empty_diagnostic.js:7:9)
+      at <node-internal-frames>
+}
+		</failure>
+	</testcase>
+	<!--  -->
+	<!-- tests 1 -->
+	<!-- suites 0 -->
+	<!-- pass 0 -->
+	<!-- fail 1 -->
+	<!-- cancelled 0 -->
+	<!-- skipped 0 -->
+	<!-- todo 0 -->
+	<!-- duration_ms * -->
+</testsuites>

test/test-runner/test-output-junit-empty-diagnostic.mjs

@@ -0,0 +1,11 @@
+// Test that the output of test-runner/output/junit_empty_diagnostic.js matches
+// test-runner/output/junit_empty_diagnostic.snapshot
+import '../common/index.mjs';
+import * as fixtures from '../common/fixtures.mjs';
+import { spawnAndAssert, junitTransform, ensureCwdIsProjectRoot } from '../common/assertSnapshot.js';
+
+ensureCwdIsProjectRoot();
+await spawnAndAssert(
+  fixtures.path('test-runner/output/junit_empty_diagnostic.js'),
+  junitTransform,
+);