diff --git a/core/modules/rdf/src/Tests/Field/FieldRdfaTestBase.php b/core/modules/rdf/src/Tests/Field/FieldRdfaTestBase.php
index 8e4b50e..989ebf8 100644
--- a/core/modules/rdf/src/Tests/Field/FieldRdfaTestBase.php
+++ b/core/modules/rdf/src/Tests/Field/FieldRdfaTestBase.php
@@ -91,6 +91,7 @@ protected function assertFormatterRdfa($formatter, $property, $expected_rdf_valu
     $build = entity_view($this->entity, 'default');
     $output = drupal_render($build);
     $graph = new \EasyRdf_Graph($this->uri, $output, 'rdfa');
+    $this->setRawContent($output);
 
     // If verbose debugging is turned on, display the HTML and parsed RDF
     // in the results.
diff --git a/core/modules/rdf/src/Tests/Field/NumberFieldRdfaTest.php b/core/modules/rdf/src/Tests/Field/NumberFieldRdfaTest.php
index c9246d0..a67aaea 100644
--- a/core/modules/rdf/src/Tests/Field/NumberFieldRdfaTest.php
+++ b/core/modules/rdf/src/Tests/Field/NumberFieldRdfaTest.php
@@ -64,6 +64,13 @@ public function testFloatFormatter() {
     $this->createTestField();
     $this->createTestEntity();
     $this->assertFormatterRdfa(array('type' => $this->fieldType), 'http://schema.org/baseSalary', array('value' => $this->testValue));
+
+    // Test that the content attribute is not created.
+    $xpath = "/div[@class='field-name-field-test']/div[@class='field-item']"; // and @content
+    //$xpath = $this->buildXPathQuery($xpath, $arguments);
+    $result = $this->elements->xpath($xpath);
+    debug($result);
+    //$this->assertFieldByXpath($xpath);
   }
 
   /**
@@ -141,7 +148,7 @@ public function testDecimalFormatterWithSettings() {
   }
 
   /**
-   * Create the RDF mapping for the field.
+   * Creates the RDF mapping for the field.
    */
   protected function createTestEntity() {
     // Add the mapping.