Automated Project Update Bot fixes from run 11-466239.

tests/src/Unit/DependencyFieldMapGeneratorTest.php

@@ -63,7 +63,7 @@ class DependencyFieldMapGeneratorTest extends UnitTestCase {
   /**
    * Test cases for ::testFieldMap.
    */
-  public function fieldMapTestCases() {
+  public static function fieldMapTestCases() {
     return [
       'Standard field' => [
         FALSE,