Remove redundant is_array check and improve test naming

Co-authored-by: sirreal <[email protected]>

Author: Copilot

src/wp-includes/class-wp-scripts.php

@@ -1280,7 +1280,7 @@ public function print_script_data() {
 			 */
 			$data = apply_filters( "script_data_{$handle}", array() );
 
-			if ( is_array( $data ) && ! empty( $data ) ) {
+			if ( ! empty( $data ) ) {
 				wp_print_inline_script_tag(
 					(string) wp_json_encode(
 						$data,

tests/phpunit/tests/dependencies/scripts.php

@@ -4124,11 +4124,11 @@ public function test_wp_scripts_doing_it_wrong_for_missing_dependencies() {
 	}
 
 	/**
-	 * Tests that the script_data_{$handle} filter outputs JSON script tags.
+	 * Tests that print_script_data outputs JSON script tags.
 	 *
 	 * @covers WP_Scripts::print_script_data
 	 */
-	public function test_script_data_filter_outputs_json_script_tag() {
+	public function test_print_script_data_outputs_json_script_tag() {
 		wp_enqueue_script( 'test-script', '/test.js', array(), null );
 
 		add_filter(