Add NormalFormalParameter.covariantKeyword setter and factory parameter.

pkg/analyzer/test/src/dart/ast/utilities_test.dart

Index: pkg/analyzer/test/src/dart/ast/utilities_test.dart
diff --git a/pkg/analyzer/test/src/dart/ast/utilities_test.dart b/pkg/analyzer/test/src/dart/ast/utilities_test.dart
index b818e5d2a44e1fe63c15274bac8e4b52effdde4d..67ee7659cf5c264d7f40a8d34423a369cbeb1b92 100644
--- a/pkg/analyzer/test/src/dart/ast/utilities_test.dart
+++ b/pkg/analyzer/test/src/dart/ast/utilities_test.dart
@@ -1976,6 +1976,7 @@ class ToSourceVisitor2Test extends EngineTestCase {
             null,
             null,
             null,
+            null,
             AstTestFactory.typeName4('A'),
             TokenFactory.tokenFromKeyword(Keyword.THIS),
             TokenFactory.tokenFromType(TokenType.PERIOD),
@@ -2508,6 +2509,7 @@ class ToSourceVisitor2Test extends EngineTestCase {
         astFactory.functionTypedFormalParameter(
             null,
             null,
+            null,
             AstTestFactory.typeName4("T"),
             AstTestFactory.identifier3('f'),
             AstTestFactory.typeParameterList(['E']),
@@ -4330,6 +4332,7 @@ class ToSourceVisitorTest extends EngineTestCase {
             null,
             null,
             null,
+            null,
             AstTestFactory.typeName4('A'),
             TokenFactory.tokenFromKeyword(Keyword.THIS),
             TokenFactory.tokenFromType(TokenType.PERIOD),
@@ -4862,6 +4865,7 @@ class ToSourceVisitorTest extends EngineTestCase {
         astFactory.functionTypedFormalParameter(
             null,
             null,
+            null,
             AstTestFactory.typeName4("T"),
             AstTestFactory.identifier3('f'),
             AstTestFactory.typeParameterList(['E']),