Fix tests on non us-EN local env (#185)

* Fix tests on non us-EN local env

Different locale might result in different alphabetical order of tests in report. Tests using snapshot comparison then fails

* Fix code style

src/report/get-report.ts

@@ -1,6 +1,7 @@
 import * as core from '@actions/core'
 import {TestExecutionResult, TestRunResult, TestSuiteResult} from '../test-results'
 import {Align, formatTime, Icon, link, table} from '../utils/markdown-utils'
+import {DEFAULT_LOCALE} from '../utils/node-utils'
 import {getFirstNonEmptyLine} from '../utils/parse-utils'
 import {slug} from '../utils/slugger'
 
@@ -79,9 +80,9 @@ function trimReport(lines: string[]): string {
 }
 
 function applySort(results: TestRunResult[]): void {
-  results.sort((a, b) => a.path.localeCompare(b.path))
+  results.sort((a, b) => a.path.localeCompare(b.path, DEFAULT_LOCALE))
   for (const res of results) {
-    res.suites.sort((a, b) => a.name.localeCompare(b.name))
+    res.suites.sort((a, b) => a.name.localeCompare(b.name, DEFAULT_LOCALE))
   }
 }
 

src/test-results.ts

@@ -1,3 +1,5 @@
+import {DEFAULT_LOCALE} from './utils/node-utils'
+
 export class TestRunResult {
   constructor(readonly path: string, readonly suites: TestSuiteResult[], private totalTime?: number) {}
 
@@ -28,7 +30,7 @@ export class TestRunResult {
   }
 
   sort(deep: boolean): void {
-    this.suites.sort((a, b) => a.name.localeCompare(b.name))
+    this.suites.sort((a, b) => a.name.localeCompare(b.name, DEFAULT_LOCALE))
     if (deep) {
       for (const suite of this.suites) {
         suite.sort(deep)
@@ -66,7 +68,7 @@ export class TestSuiteResult {
   }
 
   sort(deep: boolean): void {
-    this.groups.sort((a, b) => (a.name ?? '').localeCompare(b.name ?? ''))
+    this.groups.sort((a, b) => (a.name ?? '').localeCompare(b.name ?? '', DEFAULT_LOCALE))
     if (deep) {
       for (const grp of this.groups) {
         grp.sort()
@@ -100,7 +102,7 @@ export class TestGroupResult {
   }
 
   sort(): void {
-    this.tests.sort((a, b) => a.name.localeCompare(b.name))
+    this.tests.sort((a, b) => a.name.localeCompare(b.name, DEFAULT_LOCALE))
   }
 }
 

src/utils/node-utils.ts

@@ -1,5 +1,7 @@
 import {normalizeFilePath} from './path-utils'
 
+export const DEFAULT_LOCALE = 'en-US'
+
 export function getExceptionSource(
   stackTrace: string,
   trackedFiles: string[],