Fix for issue 22245

pkg/analyzer/test/generated/ast_test.dart

Index: pkg/analyzer/test/generated/ast_test.dart
diff --git a/pkg/analyzer/test/generated/ast_test.dart b/pkg/analyzer/test/generated/ast_test.dart
index 3bfa9063ca435e1f1a9d3f56f5542c2a04f584f7..7fc025dd1e16d1b2257cdb96a8a219bd36e6d257 100644
--- a/pkg/analyzer/test/generated/ast_test.dart
+++ b/pkg/analyzer/test/generated/ast_test.dart
@@ -28,6 +28,7 @@ main() {
   runReflectiveTests(ClassTypeAliasTest);
   runReflectiveTests(ConstantEvaluatorTest);
   runReflectiveTests(ConstructorDeclarationTest);
+  runReflectiveTests(FieldFormalParameterTest);
   runReflectiveTests(IndexExpressionTest);
   runReflectiveTests(NodeListTest);
   runReflectiveTests(NodeLocatorTest);
@@ -663,6 +664,19 @@ class ConstructorDeclarationTest extends EngineTestCase {
 }
 
 @reflectiveTest
+class FieldFormalParameterTest extends EngineTestCase {
+  void test_endToken_noParameters() {
+    FieldFormalParameter parameter = AstFactory.fieldFormalParameter2('field');
+    expect(parameter.endToken, parameter.identifier.endToken);
+  }
+
+  void test_endToken_parameters() {
+    FieldFormalParameter parameter = AstFactory.fieldFormalParameter(null, null, 'field', AstFactory.formalParameterList([]));
+    expect(parameter.endToken, parameter.parameters.endToken);
+  }
+}
+
+@reflectiveTest
 class IndexExpressionTest extends EngineTestCase {
   void test_inGetterContext_assignment_compound_left() {
     IndexExpression expression = AstFactory.indexExpression(