Issue #3020538 by catch: Route::__construct() no longer accepts NULL as first parameter [Symfony 4]

Author: alexpott

core/modules/workflows/tests/src/Unit/WorkflowStateTransitionOperationsAccessCheckTest.php

@@ -31,7 +31,7 @@ public function testAccess($route_requirement, $resulting_entity_access_check, $
       ->shouldBeCalled()
       ->willReturn($workflow_entity_access_result);
 
-    $route = new Route(NULL, [
+    $route = new Route('', [
       'workflow' => NULL,
       'workflow_transition' => NULL,
       'workflow_state' => NULL,
@@ -97,7 +97,7 @@ public function testMissingRouteParams() {
     $workflow = $this->prophesize(WorkflowInterface::class);
     $workflow->access()->shouldNotBeCalled();
 
-    $route = new Route(NULL, [
+    $route = new Route('', [
       'workflow' => NULL,
       'workflow_state' => NULL,
     ], [
@@ -127,7 +127,7 @@ public function testMissingRouteParams() {
    */
   public function testInvalidOperationName($operation_name) {
     $this->setExpectedException(\Exception::class, "Invalid _workflow_access operation '$operation_name' specified for route 'Foo Route'.");
-    $route = new Route(NULL, [], [
+    $route = new Route('', [], [
       '_workflow_access' => $operation_name,
     ]);
     $access_check = new WorkflowStateTransitionOperationsAccessCheck();
@@ -162,7 +162,7 @@ public function testLegacyWorkflowStateDeleteAccessCheck() {
       ->shouldBeCalled()
       ->willReturn($workflow_entity_access_result);
 
-    $route = new Route(NULL, [
+    $route = new Route('', [
       'workflow' => NULL,
       'workflow_state' => NULL,
     ], ['_workflow_state_delete_access' => 'true']);