$text = 'This is a <img src="http://foo.bar/image.jpg" />';
     $course_url = "http://example.com/testcourse";
     $pf = new \WeBWorK\Server\Util\ProblemFormatter();
     $found = $pf->convert_image_urls($text, $course_url);
     $this->assertContains('src="http://foo.bar/image.jpg"', $found);
 }
 public function test_convert_image_urls_should_ignore_spaces_after_attribute_names()
 {
     $text = 'This is a <a href = "/link">link</a> and <img src = "/image.jpg" />';