Issue 25021. Fix for adding new required parameters when optional exist.

pkg/analysis_server/test/services/correction/fix_test.dart

Index: pkg/analysis_server/test/services/correction/fix_test.dart
diff --git a/pkg/analysis_server/test/services/correction/fix_test.dart b/pkg/analysis_server/test/services/correction/fix_test.dart
index 3570b294d942b4dad4cad4de0760325c62ac0ad0..6aacb6abedff41aac408b117fa8c281d9a6ad70d 100644
--- a/pkg/analysis_server/test/services/correction/fix_test.dart
+++ b/pkg/analysis_server/test/services/correction/fix_test.dart
@@ -175,6 +175,16 @@ class Test {
 ''');
   }
 
+  test_addMissingParameter_function_positional_hasNamed() async {
+    resolveTestUnit('''
+test({int a}) {}
+main() {
+  test(1);
+}
+''');
+    await assertNoFix(DartFixKind.ADD_MISSING_PARAMETER_POSITIONAL);
+  }
+
   test_addMissingParameter_function_positional_hasZero() async {
     resolveTestUnit('''
 test() {}
@@ -192,6 +202,23 @@ main() {
 ''');
   }
 
+  test_addMissingParameter_function_required_hasNamed() async {
+    resolveTestUnit('''
+test({int a}) {}
+main() {
+  test(1);
+}
+''');
+    await assertHasFix(
+        DartFixKind.ADD_MISSING_PARAMETER_REQUIRED,
+        '''
+test(int i, {int a}) {}
+main() {
+  test(1);
+}
+''');
+  }
+
   test_addMissingParameter_function_required_hasOne() async {
     resolveTestUnit('''
 test(int a) {}