@@ -49,17 +49,18 @@ function wp_get_view_transitions_admin_css(): string {
  * query limits the first-render delay to when view transitions actually run, matching the
  * `@view-transition` rule in view-transitions.css.
  *
- * Nothing is printed when the admin View Transitions style is not enqueued, since there is then
- * no transition to wait for. Nothing is printed for iframe requests either, such as Thickbox
- * modals: they have no admin menu, and an `expect` link whose target never appears blocks the
- * first render until the whole document has been parsed.
+ * Nothing is printed unless the admin View Transitions style has already been printed, since
+ * there is otherwise no transition to wait for. That style is only enqueued from
+ * wp-admin/admin-header.php, so this also leaves out iframe screens such as Thickbox modals,
+ * which have no `#wpcontent`: an `expect` link whose target never appears blocks the first
+ * render until the whole document has been parsed.
  *
  * @since 7.2.0
  *
  * @link https://html.spec.whatwg.org/multipage/links.html#link-type-expect
  */
 function wp_print_view_transitions_render_blocking_link(): void {
-	if ( ! wp_style_is( 'wp-view-transitions-admin' ) || defined( 'IFRAME_REQUEST' ) ) {
+	if ( ! wp_style_is( 'wp-view-transitions-admin', 'done' ) ) {
 		return;
 	}
 
 
@@ -50,6 +50,9 @@ public function test_hook(): void {
 	 */
 	public function test_prints_render_blocking_link(): void {
 		wp_enqueue_view_transitions_admin_css();
+		get_echo( 'wp_print_styles', array( 'wp-view-transitions-admin' ) );
+		$this->assertTrue( wp_style_is( 'wp-view-transitions-admin', 'done' ), 'Expected the style to have been printed.' );
+
 		$output = get_echo( 'wp_print_view_transitions_render_blocking_link' );
 
 		$processor = new WP_HTML_Tag_Processor( $output );
@@ -72,16 +75,16 @@ public function test_prints_nothing_when_style_not_enqueued(): void {
 	}
 
 	/**
-	 * Tests that nothing is printed for an iframe request, which has no admin menu.
+	 * Tests that nothing is printed when the admin View Transitions style is enqueued but not yet printed.
 	 *
-	 * @ticket 65032
+	 * This happens when the style is enqueued too late for the head, so it is printed in the footer instead.
 	 *
-	 * @runInSeparateProcess
-	 * @preserveGlobalState disabled
+	 * @ticket 65032
 	 */
-	public function test_prints_nothing_for_iframe_request(): void {
-		define( 'IFRAME_REQUEST', true );
+	public function test_prints_nothing_when_style_not_printed(): void {
 		wp_enqueue_view_transitions_admin_css();
+		$this->assertTrue( wp_style_is( 'wp-view-transitions-admin' ), 'Expected the style to be enqueued.' );
+		$this->assertFalse( wp_style_is( 'wp-view-transitions-admin', 'done' ), 'Expected the style to not be printed yet.' );
 
 		$this->assertSame( '', get_echo( 'wp_print_view_transitions_render_blocking_link' ) );
 	}
Original file line number	Diff line number	Diff line change
`@@ -49,17 +49,18 @@ function wp_get_view_transitions_admin_css(): string {`
`49`	`49`	`* query limits the first-render delay to when view transitions actually run, matching the`
`50`	`50`	* `@view-transition` rule in view-transitions.css.
`51`	`51`	`*`
`52`		`- * Nothing is printed when the admin View Transitions style is not enqueued, since there is then`
`53`		`- * no transition to wait for. Nothing is printed for iframe requests either, such as Thickbox`
`54`		- * modals: they have no admin menu, and an `expect` link whose target never appears blocks the
`55`		`- * first render until the whole document has been parsed.`
	`52`	`+ * Nothing is printed unless the admin View Transitions style has already been printed, since`
	`53`	`+ * there is otherwise no transition to wait for. That style is only enqueued from`
	`54`	`+ * wp-admin/admin-header.php, so this also leaves out iframe screens such as Thickbox modals,`
	`55`	+ * which have no `#wpcontent`: an `expect` link whose target never appears blocks the first
	`56`	`+ * render until the whole document has been parsed.`
`56`	`57`	`*`
`57`	`58`	`* @since 7.2.0`
`58`	`59`	`*`
`59`	`60`	`* @link https://html.spec.whatwg.org/multipage/links.html#link-type-expect`
`60`	`61`	`*/`
`61`	`62`	`function wp_print_view_transitions_render_blocking_link(): void {`
`62`		`- if ( ! wp_style_is( 'wp-view-transitions-admin' ) \|\| defined( 'IFRAME_REQUEST' ) ) {`
	`63`	`+ if ( ! wp_style_is( 'wp-view-transitions-admin', 'done' ) ) {`
`63`	`64`	`return;`
`64`	`65`	`}`
`65`	`66`