Revert "Let's skip tests for now and fix in a follow-up"

This reverts commit ebc9cd2.

Author: kraftbj

projects/packages/image-cdn/tests/php/test_class.image_cdn.php

@@ -856,8 +856,6 @@ public function test_image_cdn_return_custom_size_array_dimensions_larger_than_o
 
 		$test_image = $this->helper_get_image( 'medium' ); // Original 1024x768.
 
-		$this->markTestSkipped( 'Skipping until we can fix the test' ); // @todo: Fix this test.
-
 		// Declaring the size array directly, unknown size of 1200 by 1200. Should return original.
 		$this->assertEquals(
 			'fit=1024%2C768',
@@ -1493,8 +1491,6 @@ public function test_image_cdn_cdn_in_rest_response_with_created_item() {
 		$large_url = isset( $data['media_details']['sizes']['large']['source_url'] ) ? $data['media_details']['sizes']['large']['source_url'] : false;
 
 		if ( ! $large_url ) {
-			$this->markTestSkipped( 'Skipping until we can fix the test' ); // @todo: Fix this test.
-
 			$this->fail( 'REST API media upload failed to return the expected data.' );
 		}
 
@@ -1596,8 +1592,6 @@ public function test_image_cdn_strip_image_dimensions_maybe_strips_resized_strin
 
 		$expected = wp_get_attachment_url( $id );
 
-		$this->markTestSkipped( 'Skipping until we can fix the test' ); // @todo: Fix this test.
-
 		$this->assertEquals( $expected, Image_CDN::strip_image_dimensions_maybe( $url ) );
 
 		wp_delete_attachment( $id );