Don't propose 'Assign to local variable' when in arguments list.

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

Index: pkg/analysis_server/test/services/correction/assist_test.dart
diff --git a/pkg/analysis_server/test/services/correction/assist_test.dart b/pkg/analysis_server/test/services/correction/assist_test.dart
index 4c48713fa938f52a7cb5b09d581bec171ae0e03d..c40acb1348b40d063d53ef53537aa4e4325b0d04 100644
--- a/pkg/analysis_server/test/services/correction/assist_test.dart
+++ b/pkg/analysis_server/test/services/correction/assist_test.dart
@@ -613,6 +613,16 @@ main() {
     assertNoAssistAt('vvv =', AssistKind.ASSIGN_TO_LOCAL_VARIABLE);
   }
 
+  void test_assignToLocalVariable_invocationArgument() {
+    resolveTestUnit(r'''
+main() {
+  f(12345);
+}
+int f(p) {}
+''');
+    assertNoAssistAt('345', AssistKind.ASSIGN_TO_LOCAL_VARIABLE);
+  }
+
   void test_assignToLocalVariable_throw() {
     resolveTestUnit('''
 main() {