Remove unnecessary unit test

Author: t-hamano

tests/phpunit/tests/block-supports/layout.php

@@ -717,71 +717,4 @@ public function data_layout_classname_with_custom_blocks() {
 			),
 		);
 	}
-
-	/**
-	 * Tests that core blocks maintain correct layout classnames (regression test).
-	 *
-	 * This test ensures that the fix for custom block layout classnames
-	 * doesn't break the existing behavior for core blocks.
-	 *
-	 * @ticket 63839
-	 * @covers ::wp_render_layout_support_flag
-	 *
-	 * @dataProvider data_layout_classname_with_core_blocks
-	 */
-	public function test_layout_classname_works_for_core_blocks( $block_name, $layout_type, $expected_class, $should_not_contain ) {
-		switch_theme( 'default' );
-
-		$block_content = '<div class="wp-block-test"><p>Content</p></div>';
-		$block         = array(
-			'blockName' => $block_name,
-			'attrs'     => array(
-				'layout' => array(
-					'type' => $layout_type,
-				),
-			),
-		);
-
-		$output = wp_render_layout_support_flag( $block_content, $block );
-
-		// Assert that core blocks use only the block name without namespace.
-		$this->assertStringContainsString( $expected_class, $output );
-
-		// Assert that core blocks don't include the 'core' namespace prefix.
-		$this->assertStringNotContainsString( $should_not_contain, $output );
-	}
-
-	/**
-	 * Data provider for test_layout_classname_works_for_core_blocks.
-	 *
-	 * @return array
-	 */
-	public function data_layout_classname_with_core_blocks() {
-		return array(
-			'core group block with constrained layout' => array(
-				'block_name'         => 'core/group',
-				'layout_type'        => 'constrained',
-				'expected_class'     => 'wp-block-group-is-layout-constrained',
-				'should_not_contain' => 'wp-block-core-group-is-layout-constrained',
-			),
-			'core cover block with default layout'     => array(
-				'block_name'         => 'core/cover',
-				'layout_type'        => 'default',
-				'expected_class'     => 'wp-block-cover-is-layout-flow',
-				'should_not_contain' => 'wp-block-core-cover-is-layout-flow',
-			),
-			'core columns block with flex layout'      => array(
-				'block_name'         => 'core/columns',
-				'layout_type'        => 'flex',
-				'expected_class'     => 'wp-block-columns-is-layout-flex',
-				'should_not_contain' => 'wp-block-core-columns-is-layout-flex',
-			),
-			'core group block with grid layout'        => array(
-				'block_name'         => 'core/group',
-				'layout_type'        => 'grid',
-				'expected_class'     => 'wp-block-group-is-layout-grid',
-				'should_not_contain' => 'wp-block-core-group-is-layout-grid',
-			),
-		);
-	}
 }