Bump WP compatibility

tests/test-post-filters.php

@@ -37,27 +37,27 @@ class PostFilters extends WP_UnitTestCase {
 	/**
 	 * Prepare data for tests.
 	 */
-	public function setUp(): void {
+	public function setUp() {
 		parent::setUp();
 
 		static::$post_id = $this->factory->post->create(
-			[
+			array(
 				'post_title'   => 'Pagination Test',
 				'post_status'  => 'publish',
 				'post_date'    => '2019-01-01 00:01:01',
 				'post_content' => implode( static::$page_break, static::$pages_content ),
-			]
+			)
 		);
 	}
 
 	/**
 	 * Test retrieving page 1 content.
 	 */
-	public function test_view_page_1(): void {
+	public function test_view_page_1() {
 		query_posts(
-			[
+			array(
 				'p' => static::$post_id,
-			]
+			)
 		);
 
 		$this->assertTrue( have_posts() );
@@ -72,12 +72,12 @@ class PostFilters extends WP_UnitTestCase {
 	/**
 	 * Test retrieving page 2 content.
 	 */
-	public function test_view_page_2(): void {
+	public function test_view_page_2() {
 		query_posts(
-			[
+			array(
 				'p'    => static::$post_id,
 				'page' => 2,
-			]
+			)
 		);
 
 		$this->assertTrue( have_posts() );
@@ -92,12 +92,12 @@ class PostFilters extends WP_UnitTestCase {
 	/**
 	 * Test retrieving page 3 content.
 	 */
-	public function test_view_page_3(): void {
+	public function test_view_page_3() {
 		query_posts(
-			[
+			array(
 				'p'    => static::$post_id,
 				'page' => 3,
-			]
+			)
 		);
 
 		$this->assertTrue( have_posts() );
@@ -112,12 +112,12 @@ class PostFilters extends WP_UnitTestCase {
 	/**
 	 * Test retrieving "view all" contents.
 	 */
-	public function test_view_all(): void {
+	public function test_view_all() {
 		query_posts(
-			[
+			array(
 				'p'        => static::$post_id,
 				'view-all' => true,
-			]
+			)
 		);
 
 		$this->assertTrue( have_posts() );