Tests: Temporarily skip PDF tests if they fail due to ImageMagick per…

…mission errors.

Merges [48338], [48341] to the 5.4 branch.

See #50573.

git-svn-id: https://develop.svn.wordpress.org/branches/5.4@48366 602fd350-edb4-49c9-b593-d223f7449a82

tests/phpunit/tests/image/functions.php

@@ -423,6 +423,11 @@ public function test_wp_generate_attachment_metadata_pdf() {
 		$test_file = '/tmp/wordpress-gsoc-flyer.pdf';
 		copy( $orig_file, $test_file );
 
+		$editor = wp_get_image_editor( $test_file );
+		if ( is_wp_error( $editor ) ) {
+			$this->markTestSkipped( $editor->get_error_message() );
+		}
+
 		$attachment_id = $this->factory->attachment->create_object(
 			$test_file,
 			0,
@@ -488,6 +493,11 @@ public function test_crop_setting_for_pdf() {
 		$test_file = get_temp_dir() . 'wordpress-gsoc-flyer.pdf';
 		copy( $orig_file, $test_file );
 
+		$editor = wp_get_image_editor( $test_file );
+		if ( is_wp_error( $editor ) ) {
+			$this->markTestSkipped( $editor->get_error_message() );
+		}
+
 		$attachment_id = $this->factory->attachment->create_object(
 			$test_file,
 			0,
@@ -548,6 +558,11 @@ public function test_fallback_intermediate_image_sizes() {
 		$test_file = '/tmp/wordpress-gsoc-flyer.pdf';
 		copy( $orig_file, $test_file );
 
+		$editor = wp_get_image_editor( $test_file );
+		if ( is_wp_error( $editor ) ) {
+			$this->markTestSkipped( $editor->get_error_message() );
+		}
+
 		$attachment_id = $this->factory->attachment->create_object(
 			$test_file,
 			0,
@@ -608,6 +623,11 @@ public function test_pdf_preview_doesnt_overwrite_existing_jpeg() {
 		$pdf_path = '/tmp/test.pdf';
 		copy( DIR_TESTDATA . '/images/wordpress-gsoc-flyer.pdf', $pdf_path );
 
+		$editor = wp_get_image_editor( $pdf_path );
+		if ( is_wp_error( $editor ) ) {
+			$this->markTestSkipped( $editor->get_error_message() );
+		}
+
 		$attachment_id = $this->factory->attachment->create_object(
 			$pdf_path,
 			0,