tests: Declare private property $output.

Uncovered by PHP 8.2 because dynamic properties are deprecated.

1 files changed, 10 insertions, 0 deletions

diff --git a/tests/unit/Widget/HelpindexTest.php b/tests/unit/Widget/HelpindexTest.php
index 26aa34104..87042c559 100644
--- a/tests/unit/Widget/HelpindexTest.php
+++ b/tests/unit/Widget/HelpindexTest.php
@@ -8,6 +8,8 @@
  * SPDX-License-Identifier: MIT
  */
 
+use PHPUnit\Framework\Attributes\Before;
+
 /**
  * Test class for testing the Helpindex widget.
  */
@@ -15,6 +17,8 @@ class HelpindexTest extends \Zotlabs\Tests\Unit\Module\TestCase {
 
 	use \phpmock\phpunit\PHPMock;
 
+	private string $output;
+
 	/**
 	 * Define the stubs to make sure they work later in the test.
 	 *
@@ -27,6 +31,12 @@ class HelpindexTest extends \Zotlabs\Tests\Unit\Module\TestCase {
 		self::defineFunctionMock('Zotlabs\Widget', 'file_get_contents');
 	}
 
+	#[Before]
+	public function setup_state(): void {
+		// Make sure the output is cleared before running the test
+		$this->output = '';
+	}
+
 	public function test_loading_toc(): void {
 		// Stub `file_get_contents` to plant our own content.
 		$fgc_stub = $this->getFunctionMock('Zotlabs\Widget', 'file_get_contents');