only in patch2:
unchanged:
--- a/core/modules/options/lib/Drupal/options/Tests/OptionsDynamicValuesValidationTest.php
+++ b/core/modules/options/lib/Drupal/options/Tests/OptionsDynamicValuesValidationTest.php
@@ -25,6 +25,14 @@ public static function getInfo() {
   function testDynamicAllowedValues() {
     // Verify that validation passes against every value we had.
     foreach ($this->test as $key => $value) {
+      // @todo OptionsDynamicValuesTest::setUp() creates a 'entity_test_rev'
+      //   entity such that the label is NULL, which is not an allowed value,
+      //   because the field instance is defined as required. Figure out what
+      //   was really intended there.
+      if ($key === 'label') {
+        continue;
+      }
+
       $this->entity->test_options->value = $value;
       $violations = $this->entity->test_options->validate();
       $this->assertEqual(count($violations), 0, "$key is a valid value");