docs: fix README — Printer has no separate testFailed method

Author: recca0120

packages/phpunit/README.md

@@ -311,8 +311,7 @@ const writer = new ConsoleWriter();
 printer.start(command);               // → "php vendor/bin/phpunit ..."
 printer.testVersion(result);          // → "🚀 PHPUnit 11.5.0"
 printer.testSuiteStarted(result);     // → "PASS  App\Tests\ExampleTest"
-printer.testFinished(result);         // → "  ✓ test_add  3 ms"
-printer.testFailed(result);           // → "  ⨯ test_sub  5 ms"
+printer.testFinished(result);         // → "  ✓ test_add  3 ms" (or "  ⨯ test_sub  5 ms" for failures)
 printer.testResultSummary(result);    // → "Tests:  1 failed, 3 passed (12 assertions)"
 printer.timeAndMemory(result);        // → "Duration: 0.05s"
 printer.close();                      // flush deferred error details

packages/phpunit/README.zh-TW.md

@@ -310,8 +310,7 @@ const writer = new ConsoleWriter();
 printer.start(command);               // → "php vendor/bin/phpunit ..."
 printer.testVersion(result);          // → "🚀 PHPUnit 11.5.0"
 printer.testSuiteStarted(result);     // → "PASS  App\Tests\ExampleTest"
-printer.testFinished(result);         // → "  ✓ test_add  3 ms"
-printer.testFailed(result);           // → "  ⨯ test_sub  5 ms"
+printer.testFinished(result);         // → "  ✓ test_add  3 ms"（失敗時為 "  ⨯ test_sub  5 ms"）
 printer.testResultSummary(result);    // → "Tests:  1 failed, 3 passed (12 assertions)"
 printer.timeAndMemory(result);        // → "Duration: 0.05s"
 printer.close();                      // 清空延遲的錯誤詳情