diff --git a/src/wp-includes/class-wp-block.php b/src/wp-includes/class-wp-block.php
index b498c1189700e..fc6cf86cfd2ba 100644
--- a/src/wp-includes/class-wp-block.php
+++ b/src/wp-includes/class-wp-block.php
@@ -492,6 +492,14 @@ public function replace_rich_text( $rich_text ) {
 	public function render( $options = array() ) {
 		global $post;
 
+		// Capture the current assets queues and then clear out to capture the diff of what was introduced by rendering.
+		$before_styles_queue         = wp_styles()->queue;
+		$before_scripts_queue        = wp_scripts()->queue;
+		$before_script_modules_queue = wp_script_modules()->queue;
+		wp_styles()->queue           = array();
+		wp_scripts()->queue          = array();
+		wp_script_modules()->queue   = array();
+
 		/*
 		 * There can be only one root interactive block at a time because the rendered HTML of that block contains
 		 * the rendered HTML of all its inner blocks, including any interactive block.
@@ -661,6 +669,44 @@ public function render( $options = array() ) {
 			$root_interactive_block = null;
 		}
 
+		// Capture the new assets enqueued during rendering, and restore the queues the state prior to rendering.
+		$new_styles_queue          = wp_styles()->queue;
+		$new_scripts_queue         = wp_scripts()->queue;
+		$new_script_modules_queue  = wp_script_modules()->queue;
+		wp_styles()->queue         = $before_styles_queue;
+		wp_scripts()->queue        = $before_scripts_queue;
+		wp_script_modules()->queue = $before_script_modules_queue;
+		$has_new_styles            = count( $new_styles_queue ) > 0;
+		$has_new_scripts           = count( $new_scripts_queue ) > 0;
+		$has_new_script_modules    = count( $new_script_modules_queue ) > 0;
+
+		// Merge the newly enqueued assets with the existing assets if the rendered block is not empty.
+		if (
+			( $has_new_styles || $has_new_scripts || $has_new_script_modules ) &&
+			(
+				trim( $block_content ) !== '' ||
+				/**
+				 * Filters whether to enqueue assets for a block which has no rendered content.
+				 *
+				 * @since 6.9.0
+				 *
+				 * @param bool   $enqueue    Whether to enqueue assets.
+				 * @param string $block_name Block name.
+				 */
+				(bool) apply_filters( 'enqueue_empty_block_content_assets', false, $this->name )
+			)
+		) {
+			if ( $has_new_styles ) {
+				wp_styles()->queue = array_unique( array_merge( wp_styles()->queue, $new_styles_queue ) );
+			}
+			if ( $has_new_scripts ) {
+				wp_scripts()->queue = array_unique( array_merge( wp_scripts()->queue, $new_scripts_queue ) );
+			}
+			if ( $has_new_script_modules ) {
+				wp_script_modules()->queue = array_unique( array_merge( wp_script_modules()->queue, $new_script_modules_queue ) );
+			}
+		}
+
 		return $block_content;
 	}
 }
diff --git a/src/wp-includes/class-wp-script-modules.php b/src/wp-includes/class-wp-script-modules.php
index 08d08a5d1a65e..52537b1a3412e 100644
--- a/src/wp-includes/class-wp-script-modules.php
+++ b/src/wp-includes/class-wp-script-modules.php
@@ -23,12 +23,12 @@ class WP_Script_Modules {
 	private $registered = array();
 
 	/**
-	 * Holds the script module identifiers that were enqueued before registered.
+	 * An array of IDs for queued script modules.
 	 *
-	 * @since 6.5.0
-	 * @var array<string, true>
+	 * @since 6.9.0
+	 * @var string[]
 	 */
-	private $enqueued_before_registered = array();
+	public $queue = array();
 
 	/**
 	 * Tracks whether the @wordpress/a11y script module is available.
@@ -122,7 +122,6 @@ public function register( string $id, string $src, array $deps = array(), $versi
 			$this->registered[ $id ] = array(
 				'src'           => $src,
 				'version'       => $version,
-				'enqueue'       => isset( $this->enqueued_before_registered[ $id ] ),
 				'dependencies'  => $dependencies,
 				'fetchpriority' => $fetchpriority,
 			);
@@ -213,13 +212,11 @@ public function set_fetchpriority( string $id, string $priority ): bool {
 	 * }
 	 */
 	public function enqueue( string $id, string $src = '', array $deps = array(), $version = false, array $args = array() ) {
-		if ( isset( $this->registered[ $id ] ) ) {
-			$this->registered[ $id ]['enqueue'] = true;
-		} elseif ( $src ) {
+		if ( ! in_array( $id, $this->queue, true ) ) {
+			$this->queue[] = $id;
+		}
+		if ( ! isset( $this->registered[ $id ] ) && $src ) {
 			$this->register( $id, $src, $deps, $version, $args );
-			$this->registered[ $id ]['enqueue'] = true;
-		} else {
-			$this->enqueued_before_registered[ $id ] = true;
 		}
 	}
 
@@ -231,10 +228,7 @@ public function enqueue( string $id, string $src = '', array $deps = array(), $v
 	 * @param string $id The identifier of the script module.
 	 */
 	public function dequeue( string $id ) {
-		if ( isset( $this->registered[ $id ] ) ) {
-			$this->registered[ $id ]['enqueue'] = false;
-		}
-		unset( $this->enqueued_before_registered[ $id ] );
+		$this->queue = array_diff( $this->queue, array( $id ) );
 	}
 
 	/**
@@ -245,8 +239,8 @@ public function dequeue( string $id ) {
 	 * @param string $id The identifier of the script module.
 	 */
 	public function deregister( string $id ) {
+		$this->dequeue( $id );
 		unset( $this->registered[ $id ] );
-		unset( $this->enqueued_before_registered[ $id ] );
 	}
 
 	/**
@@ -304,9 +298,9 @@ public function print_enqueued_script_modules() {
 	 * @since 6.5.0
 	 */
 	public function print_script_module_preloads() {
-		foreach ( $this->get_dependencies( array_keys( $this->get_marked_for_enqueue() ), array( 'static' ) ) as $id => $script_module ) {
+		foreach ( $this->get_dependencies( array_unique( $this->queue ), array( 'static' ) ) as $id => $script_module ) {
 			// Don't preload if it's marked for enqueue.
-			if ( true !== $script_module['enqueue'] ) {
+			if ( ! in_array( $id, $this->queue, true ) ) {
 				echo sprintf(
 					'<link rel="modulepreload" href="%s" id="%s"%s>',
 					esc_url( $this->get_src( $id ) ),
@@ -345,7 +339,7 @@ public function print_import_map() {
 	 */
 	private function get_import_map(): array {
 		$imports = array();
-		foreach ( $this->get_dependencies( array_keys( $this->get_marked_for_enqueue() ) ) as $id => $script_module ) {
+		foreach ( $this->get_dependencies( array_unique( $this->queue ) ) as $id => $script_module ) {
 			$imports[ $id ] = $this->get_src( $id );
 		}
 		return array( 'imports' => $imports );
@@ -359,13 +353,10 @@ private function get_import_map(): array {
 	 * @return array<string, array> Script modules marked for enqueue, keyed by script module identifier.
 	 */
 	private function get_marked_for_enqueue(): array {
-		$enqueued = array();
-		foreach ( $this->registered as $id => $script_module ) {
-			if ( true === $script_module['enqueue'] ) {
-				$enqueued[ $id ] = $script_module;
-			}
-		}
-		return $enqueued;
+		return wp_array_slice_assoc(
+			$this->registered,
+			$this->queue
+		);
 	}
 
 	/**
@@ -457,7 +448,7 @@ private function get_src( string $id ): string {
 	 */
 	public function print_script_module_data(): void {
 		$modules = array();
-		foreach ( array_keys( $this->get_marked_for_enqueue() ) as $id ) {
+		foreach ( array_unique( $this->queue ) as $id ) {
 			if ( '@wordpress/a11y' === $id ) {
 				$this->a11y_available = true;
 			}
diff --git a/tests/phpunit/tests/blocks/editor.php b/tests/phpunit/tests/blocks/editor.php
index 2ba757921038d..4241161388eb8 100644
--- a/tests/phpunit/tests/blocks/editor.php
+++ b/tests/phpunit/tests/blocks/editor.php
@@ -31,9 +31,21 @@ public function set_up() {
 
 		global $post_ID;
 		$post_ID = 1;
+
+		global $wp_scripts, $wp_styles;
+		$this->original_wp_scripts = $wp_scripts;
+		$this->original_wp_styles  = $wp_styles;
+		$wp_scripts                = null;
+		$wp_styles                 = null;
+		wp_scripts();
+		wp_styles();
 	}
 
 	public function tear_down() {
+		global $wp_scripts, $wp_styles;
+		$wp_scripts = $this->original_wp_scripts;
+		$wp_styles  = $this->original_wp_styles;
+
 		/** @var WP_REST_Server $wp_rest_server */
 		global $wp_rest_server;
 		$wp_rest_server = null;
@@ -42,6 +54,16 @@ public function tear_down() {
 		parent::tear_down();
 	}
 
+	/**
+	 * @var WP_Scripts|null
+	 */
+	protected $original_wp_scripts;
+
+	/**
+	 * @var WP_Styles|null
+	 */
+	protected $original_wp_styles;
+
 	public function filter_set_block_categories_post( $block_categories, $post ) {
 		if ( empty( $post ) ) {
 			return $block_categories;
diff --git a/tests/phpunit/tests/blocks/wpBlock.php b/tests/phpunit/tests/blocks/wpBlock.php
index f28bbd6c83733..39ab3712b1842 100644
--- a/tests/phpunit/tests/blocks/wpBlock.php
+++ b/tests/phpunit/tests/blocks/wpBlock.php
@@ -13,7 +13,7 @@ class Tests_Blocks_wpBlock extends WP_UnitTestCase {
 	/**
 	 * Fake block type registry.
 	 *
-	 * @var WP_Block_Type_Registry
+	 * @var WP_Block_Type_Registry|null
 	 */
 	private $registry = null;
 
@@ -23,6 +23,11 @@ class Tests_Blocks_wpBlock extends WP_UnitTestCase {
 	public function set_up() {
 		parent::set_up();
 
+		global $wp_styles, $wp_scripts, $wp_script_modules;
+		$wp_styles         = null;
+		$wp_scripts        = null;
+		$wp_script_modules = null;
+
 		$this->registry = new WP_Block_Type_Registry();
 	}
 
@@ -32,6 +37,11 @@ public function set_up() {
 	public function tear_down() {
 		$this->registry = null;
 
+		global $wp_styles, $wp_scripts, $wp_script_modules;
+		$wp_styles         = null;
+		$wp_scripts        = null;
+		$wp_script_modules = null;
+
 		parent::tear_down();
 	}
 
@@ -352,6 +362,292 @@ public function test_render_applies_dynamic_render_block_filter() {
 		$this->assertSame( 'Original: "StaticOriginal: "Inner", from block "core/example"", from block "core/example"', $rendered_content );
 	}
 
+	/**
+	 * Data provider for test_render_enqueues_scripts_and_styles.
+	 *
+	 * @return array
+	 */
+	public function data_provider_test_render_enqueues_scripts_and_styles(): array {
+		$block_markup = '
+			<!-- wp:static -->
+			<div class="static">
+				<!-- wp:static-child -->
+				<div class="static-child">First child</div>
+				<!-- /wp:static-child -->
+				<!-- wp:dynamic /-->
+				<!-- wp:static-child -->
+				<div class="static-child">Last child</div>
+				<!-- /wp:static-child -->
+			</div>
+			<!-- /wp:static -->
+		';
+
+		// TODO: Add case where a dynamic block renders other blocks?
+		return array(
+			'all_printed'                             => array(
+				'set_up'                  => null,
+				'block_markup'            => $block_markup,
+				'expected_rendered_block' => '
+					<div class="static">
+						<div class="static-child">First child</div>
+						<p class="dynamic">Hello World!</p>
+						<div class="static-child">Last child</div>
+					</div>
+				',
+				'expected_styles'         => array( 'static-view-style', 'static-child-view-style', 'dynamic-view-style' ),
+				'expected_scripts'        => array( 'static-view-script', 'static-child-view-script', 'dynamic-view-script' ),
+				'expected_script_modules' => array( 'static-view-script-module', 'static-child-view-script-module', 'dynamic-view-script-module' ),
+			),
+			'all_printed_with_extra_asset_via_filter' => array(
+				'set_up'                  => static function () {
+					add_filter(
+						'render_block_core/dynamic',
+						static function ( $content ) {
+							wp_enqueue_style( 'dynamic-extra', home_url( '/dynamic-extra.css' ), array(), null );
+							$processor = new WP_HTML_Tag_Processor( $content );
+							if ( $processor->next_tag() ) {
+								$processor->add_class( 'filtered' );
+								$content = $processor->get_updated_html();
+							}
+							return $content;
+						}
+					);
+				},
+				'block_markup'            => $block_markup,
+				'expected_rendered_block' => '
+					<div class="static">
+						<div class="static-child">First child</div>
+						<p class="dynamic filtered">Hello World!</p>
+						<div class="static-child">Last child</div>
+					</div>
+				',
+				'expected_styles'         => array( 'static-view-style', 'dynamic-extra', 'static-child-view-style', 'dynamic-view-style' ),
+				'expected_scripts'        => array( 'static-view-script', 'static-child-view-script', 'dynamic-view-script' ),
+				'expected_script_modules' => array( 'static-view-script-module', 'static-child-view-script-module', 'dynamic-view-script-module' ),
+			),
+			'dynamic_hidden_assets_omitted'           => array(
+				'set_up'                  => static function () {
+					add_filter( 'render_block_core/dynamic', '__return_empty_string' );
+				},
+				'block_markup'            => $block_markup,
+				'expected_rendered_block' => '
+					<div class="static">
+						<div class="static-child">First child</div>
+						<div class="static-child">Last child</div>
+					</div>
+				',
+				'expected_styles'         => array( 'static-view-style', 'static-child-view-style' ),
+				'expected_scripts'        => array( 'static-view-script', 'static-child-view-script' ),
+				'expected_script_modules' => array( 'static-view-script-module', 'static-child-view-script-module' ),
+			),
+			'dynamic_hidden_assets_included'          => array(
+				'set_up'                  => static function () {
+					add_filter( 'render_block_core/dynamic', '__return_empty_string' );
+					add_filter(
+						'enqueue_empty_block_content_assets',
+						static function ( $enqueue, $block_name ) {
+							if ( 'core/dynamic' === $block_name ) {
+								$enqueue = true;
+							}
+							return $enqueue;
+						},
+						10,
+						2
+					);
+				},
+				'block_markup'            => $block_markup,
+				'expected_rendered_block' => '
+					<div class="static">
+						<div class="static-child">First child</div>
+						<div class="static-child">Last child</div>
+					</div>
+				',
+				'expected_styles'         => array( 'static-view-style', 'static-child-view-style', 'dynamic-view-style' ),
+				'expected_scripts'        => array( 'static-view-script', 'static-child-view-script', 'dynamic-view-script' ),
+				'expected_script_modules' => array( 'static-view-script-module', 'static-child-view-script-module', 'dynamic-view-script-module' ),
+			),
+			'static_hidden_assets_omitted'            => array(
+				'set_up'                  => static function () {
+					add_filter( 'render_block_core/static', '__return_empty_string' );
+					add_filter(
+						'render_block_core/dynamic',
+						static function ( $content ) {
+							wp_enqueue_style( 'dynamic-extra', home_url( '/dynamic-extra.css' ), array(), null );
+							return $content;
+						}
+					);
+				},
+				'block_markup'            => $block_markup,
+				'expected_rendered_block' => '',
+				'expected_styles'         => array(),
+				'expected_scripts'        => array(),
+				'expected_script_modules' => array(),
+			),
+			'static_child_hidden_assets_omitted'      => array(
+				'set_up'                  => static function () {
+					add_filter( 'render_block_core/static-child', '__return_empty_string' );
+				},
+				'block_markup'            => $block_markup,
+				'expected_rendered_block' => '
+					<div class="static">
+						<p class="dynamic">Hello World!</p>
+					</div>
+				',
+				'expected_styles'         => array( 'static-view-style', 'dynamic-view-style' ),
+				'expected_scripts'        => array( 'static-view-script', 'dynamic-view-script' ),
+				'expected_script_modules' => array( 'static-view-script-module', 'dynamic-view-script-module' ),
+			),
+			'last_static_child_hidden_assets_omitted' => array(
+				'set_up'                  => static function () {
+					add_filter(
+						'render_block_core/static-child',
+						static function ( $content ) {
+							if ( str_contains( $content, 'Last child' ) ) {
+								$content = '';
+							}
+							return $content;
+						},
+						10,
+						3
+					);
+				},
+				'block_markup'            => $block_markup,
+				'expected_rendered_block' => '
+					<div class="static">
+						<div class="static-child">First child</div>
+						<p class="dynamic">Hello World!</p>
+					</div>
+				',
+				'expected_styles'         => array( 'static-view-style', 'static-child-view-style', 'dynamic-view-style' ),
+				'expected_scripts'        => array( 'static-view-script', 'static-child-view-script', 'dynamic-view-script' ),
+				'expected_script_modules' => array( 'static-view-script-module', 'static-child-view-script-module', 'dynamic-view-script-module' ),
+			),
+			'all_hidden_assets_omitted'               => array(
+				'set_up'                  => static function () {
+					add_filter( 'render_block', '__return_empty_string' );
+				},
+				'block_markup'            => $block_markup,
+				'expected_rendered_block' => '',
+				'expected_styles'         => array(),
+				'expected_scripts'        => array(),
+				'expected_script_modules' => array(),
+			),
+			'all_hidden_assets_included'              => array(
+				'set_up'                  => static function () {
+					add_filter( 'render_block', '__return_empty_string' );
+					add_filter( 'enqueue_empty_block_content_assets', '__return_true' );
+				},
+				'block_markup'            => $block_markup,
+				'expected_rendered_block' => '',
+				'expected_styles'         => array( 'static-view-style', 'static-child-view-style', 'dynamic-view-style' ),
+				'expected_scripts'        => array( 'static-view-script', 'static-child-view-script', 'dynamic-view-script' ),
+				'expected_script_modules' => array( 'static-view-script-module', 'static-child-view-script-module', 'dynamic-view-script-module' ),
+			),
+		);
+	}
+
+	/**
+	 * @ticket 63676
+	 * @covers WP_Block::render()
+	 *
+	 * @dataProvider data_provider_test_render_enqueues_scripts_and_styles
+	 *
+	 * @param Closure|null $set_up
+	 * @param string       $block_markup
+	 * @param string[]     $expected_styles
+	 * @param string[]     $expected_scripts
+	 * @param string[]     $expected_script_modules
+	 */
+	public function test_render_enqueues_scripts_and_styles( ?Closure $set_up, string $block_markup, string $expected_rendered_block, array $expected_styles, array $expected_scripts, array $expected_script_modules ) {
+		if ( $set_up instanceof Closure ) {
+			$set_up();
+		}
+		wp_register_style( 'static-view-style', home_url( '/static-view-style.css' ) );
+		wp_register_script( 'static-view-script', home_url( '/static-view-script.js' ) );
+		wp_register_script_module( 'static-view-script-module', home_url( '/static-view-script-module.js' ) );
+		$this->registry->register(
+			'core/static',
+			array(
+				'view_style_handles'     => array( 'static-view-style' ),
+				'view_script_handles'    => array( 'static-view-script' ),
+				'view_script_module_ids' => array( 'static-view-script-module' ),
+			)
+		);
+
+		wp_register_style( 'static-child-view-style', home_url( '/static-child-view-style.css' ) );
+		wp_register_script( 'static-child-view-script', home_url( '/static-child-view-script.js' ) );
+		wp_register_script_module( 'static-child-view-script-module', home_url( '/static-child-view-script-module.js' ) );
+		$this->registry->register(
+			'core/static-child',
+			array(
+				'view_style_handles'     => array( 'static-child-view-style' ),
+				'view_script_handles'    => array( 'static-child-view-script' ),
+				'view_script_module_ids' => array( 'static-child-view-script-module' ),
+			)
+		);
+
+		wp_register_style( 'dynamic-view-style', home_url( '/dynamic-view-style.css' ) );
+		wp_register_script( 'dynamic-view-script', home_url( '/dynamic-view-script.js' ) );
+		wp_register_script_module( 'dynamic-view-script-module', home_url( '/dynamic-view-script-module.js' ) );
+		$this->registry->register(
+			'core/dynamic',
+			array(
+				'render_callback'        => static function () {
+					return '<p class="dynamic">Hello World!</p>';
+				},
+				'view_style_handles'     => array( 'dynamic-view-style' ),
+				'view_script_handles'    => array( 'dynamic-view-script' ),
+				'view_script_module_ids' => array( 'dynamic-view-script-module' ),
+			)
+		);
+
+		// TODO: Why not use do_blocks() instead?
+		$parsed_blocks  = parse_blocks( trim( $block_markup ) );
+		$parsed_block   = $parsed_blocks[0];
+		$context        = array();
+		$block          = new WP_Block( $parsed_block, $context, $this->registry );
+		$rendered_block = $block->render();
+
+		$this->assertEqualHTML(
+			$expected_rendered_block,
+			$rendered_block,
+			'<body>',
+			"Rendered block does not contain expected HTML:\n$rendered_block"
+		);
+
+		remove_action( 'wp_print_styles', 'print_emoji_styles' );
+
+		$actual_styles  = array();
+		$printed_styles = get_echo( 'wp_print_styles' );
+		$processor      = new WP_HTML_Tag_Processor( $printed_styles );
+		while ( $processor->next_tag( array( 'tag_name' => 'LINK' ) ) ) {
+			if ( 1 === preg_match( '/^(.+)-css$/', $processor->get_attribute( 'id' ), $matches ) ) {
+				$actual_styles[] = $matches[1];
+			}
+		}
+		$this->assertSameSets( $expected_styles, $actual_styles, 'Enqueued styles do not meet expectations' );
+
+		$actual_scripts  = array();
+		$printed_scripts = get_echo( 'wp_print_scripts' );
+		$processor       = new WP_HTML_Tag_Processor( $printed_scripts );
+		while ( $processor->next_tag( array( 'tag_name' => 'SCRIPT' ) ) ) {
+			if ( 1 === preg_match( '/^(.+)-js$/', $processor->get_attribute( 'id' ), $matches ) ) {
+				$actual_scripts[] = $matches[1];
+			}
+		}
+		$this->assertSameSets( $expected_scripts, $actual_scripts, 'Enqueued scripts do not meet expectations' );
+
+		$actual_script_modules  = array();
+		$printed_script_modules = get_echo( array( wp_script_modules(), 'print_enqueued_script_modules' ) );
+		$processor              = new WP_HTML_Tag_Processor( $printed_script_modules );
+		while ( $processor->next_tag( array( 'tag_name' => 'SCRIPT' ) ) ) {
+			if ( 1 === preg_match( '/^(.+)-js-module$/', $processor->get_attribute( 'id' ), $matches ) ) {
+				$actual_script_modules[] = $matches[1];
+			}
+		}
+		$this->assertSameSets( $expected_script_modules, $actual_script_modules, 'Enqueued script modules do not meet expectations' );
+	}
+
 	/**
 	 * @ticket 49927
 	 */
diff --git a/tests/phpunit/tests/script-modules/wpScriptModules.php b/tests/phpunit/tests/script-modules/wpScriptModules.php
index 35b96cd3e4af4..a912a0e95b268 100644
--- a/tests/phpunit/tests/script-modules/wpScriptModules.php
+++ b/tests/phpunit/tests/script-modules/wpScriptModules.php
@@ -1343,6 +1343,31 @@ public function test_set_fetchpriority_with_invalid_value() {
 		$this->assertSame( 'auto', $registered_modules['foo']['fetchpriority'] );
 	}
 
+	/**
+	 * Tests that directly manipulating the queue works as expected.
+	 *
+	 * @ticket 63676
+	 *
+	 * @covers WP_Script_Modules::queue
+	 * @covers WP_Script_Modules::dequeue
+	 */
+	public function test_direct_queue_manipulation() {
+		$this->script_modules->register( 'foo', '/foo.js' );
+		$this->script_modules->register( 'bar', '/bar.js' );
+		$this->script_modules->register( 'baz', '/baz.js' );
+		$this->assertSame( array(), $this->script_modules->queue, 'Expected queue to be empty.' );
+		$this->script_modules->enqueue( 'foo' );
+		$this->script_modules->enqueue( 'foo' );
+		$this->script_modules->enqueue( 'bar' );
+		$this->assertSame( array( 'foo', 'bar' ), $this->script_modules->queue, 'Expected two deduplicated queued items.' );
+		$this->script_modules->queue = array( 'baz' );
+		$this->script_modules->enqueue( 'bar' );
+		$this->assertSame( array( 'baz', 'bar' ), $this->script_modules->queue, 'Expected queue updated via setter and enqueue method to have two items.' );
+		$this->script_modules->dequeue( 'baz' );
+		$this->script_modules->dequeue( 'bar' );
+		$this->assertSame( array(), $this->script_modules->queue, 'Expected queue to be empty after dequeueing both items.' );
+	}
+
 	/**
 	 * Gets registered script modules.
 	 *