번호 자동 부여 대응 및 API 공통 처리 보강

test/features/inventory/inbound_page_test.dart

@@ -116,17 +116,18 @@ void main() {
     expect(transactionField, findsOneWidget);
     expect(approvalField, findsOneWidget);
 
-    final transactionInput = find.descendant(
-      of: transactionField,
-      matching: find.byType(EditableText),
+    expect(
+      find.descendant(
+        of: transactionField,
+        matching: find.byType(EditableText),
+      ),
+      findsNothing,
     );
-    final approvalInput = find.descendant(
-      of: approvalField,
-      matching: find.byType(EditableText),
+    expect(
+      find.descendant(of: approvalField, matching: find.byType(EditableText)),
+      findsNothing,
     );
-    await tester.enterText(transactionInput.first, 'IN-TEST-001');
-    await tester.enterText(approvalInput.first, 'APP-TEST-001');
-    await tester.pump();
+    expect(find.text('저장 시 자동 생성'), findsAtLeastNWidgets(2));
 
     final productFields = find.byType(InventoryProductAutocompleteField);
     expect(productFields, findsWidgets);
@@ -161,7 +162,7 @@ void main() {
     expect(find.text('동일 제품이 중복되었습니다.'), findsOneWidget);
   });
 
-  testWidgets('입고 등록 모달은 거래번호와 결재번호를 필수로 요구한다', (tester) async {
+  testWidgets('입고 등록 모달은 번호 입력 없이 저장 안내만 제공한다', (tester) async {
     final view = tester.view;
     view.physicalSize = const Size(1280, 900);
     view.devicePixelRatio = 1.0;
@@ -190,10 +191,14 @@ void main() {
     await tester.tap(find.widgetWithText(ShadButton, '입고 등록'));
     await tester.pumpAndSettle();
 
+    expect(find.text('저장 시 자동 생성'), findsAtLeastNWidgets(2));
+
     await tester.tap(find.widgetWithText(ShadButton, '저장'));
     await tester.pump();
 
-    expect(find.text('거래번호를 입력하세요.'), findsOneWidget);
-    expect(find.text('결재번호를 입력하세요.'), findsOneWidget);
+    expect(find.text('거래번호를 입력하세요.'), findsNothing);
+    expect(find.text('결재번호를 입력하세요.'), findsNothing);
+    expect(find.textContaining('자동완성에서 선택'), findsOneWidget);
+    expect(find.textContaining('창고를 선택'), findsOneWidget);
   });
 }