Make data provider methods static.

Co-authored-by: Pascal Birchler <pascal.birchler@gmail.com>

Author: felixarntz

tests/phpunit/tests/speculative-loading/wpGetSpeculationRules.php

@@ -91,7 +91,7 @@ public function test_wp_get_speculation_rules_with_prerender( string $eagerness
 		}
 	}
 
-	public function data_eagerness(): array {
+	public static function data_eagerness(): array {
 		return array(
 			array( 'conservative' ),
 			array( 'moderate' ),

tests/phpunit/tests/speculative-loading/wpGetSpeculationRulesConfiguration.php

@@ -89,7 +89,7 @@ function () use ( $filter_value ) {
 		$this->assertSame( $expected, wp_get_speculation_rules_configuration() );
 	}
 
-	public function data_wp_get_speculation_rules_configuration_filter(): array {
+	public static function data_wp_get_speculation_rules_configuration_filter(): array {
 		return array(
 			'conservative prefetch'  => array(
 				array(

tests/phpunit/tests/speculative-loading/wpIsValidSpeculationRulesEagerness.php

@@ -26,7 +26,7 @@ public function test_wp_is_valid_speculation_rules_eagerness( $eagerness, $expec
 		}
 	}
 
-	public function data_is_valid_speculation_rules_eagerness(): array {
+	public static function data_is_valid_speculation_rules_eagerness(): array {
 		return array(
 			'conservative' => array( 'conservative', true ),
 			'moderate'     => array( 'moderate', true ),

tests/phpunit/tests/speculative-loading/wpIsValidSpeculationRulesMode.php

@@ -26,7 +26,7 @@ public function test_wp_is_valid_speculation_rules_mode( $mode, $expected ) {
 		}
 	}
 
-	public function data_is_valid_speculation_rules_mode(): array {
+	public static function data_is_valid_speculation_rules_mode(): array {
 		return array(
 			'prefetch'     => array( 'prefetch', true ),
 			'prerender'    => array( 'prerender', true ),

tests/phpunit/tests/speculative-loading/wpUrlPatternPrefixer.php

@@ -27,7 +27,7 @@ public function test_prefix_path_pattern( string $base_path, string $path_patter
 		);
 	}
 
-	public function data_prefix_path_pattern(): array {
+	public static function data_prefix_path_pattern(): array {
 		return array(
 			array( '/', '/my-page/', '/my-page/' ),
 			array( '/', 'my-page/', '/my-page/' ),
@@ -81,7 +81,7 @@ static function () use ( $unescaped ) {
 		$this->assertSame( $expected, $contexts[ $context ] );
 	}
 
-	public function data_default_contexts_with_subdirectories(): array {
+	public static function data_default_contexts_with_subdirectories(): array {
 		return array(
 			array( 'home', 'https://example.com/subdir/', '/subdir/' ),
 			array( 'site', 'https://example.com/subdir/wp/', '/subdir/wp/' ),