diff --git a/resources/tester/test_m02_hopyo_excel.py b/resources/tester/test_m02_hopyo_excel.py
index 3d84889a9..e2a59a820 100644
--- a/resources/tester/test_m02_hopyo_excel.py
+++ b/resources/tester/test_m02_hopyo_excel.py
@@ -191,32 +191,32 @@ def test_엉터리_시트없음_큰_파일_400(client, monkeypatch):
 
 
 @pytest.mark.parametrize(
-    ("role", "layer", "owner", "want"),
+    ("role", "layer", "owner"),
     [
-        ({"role": "SYSTEM_ADMIN"}, "system", None, 200),
-        ({"role": "USER"}, "system", None, 403),
-        ({"role": "ADMIN"}, "company", None, 200),
-        ({"role": "USER"}, "company", None, 403),
-        ({"role": "USER"}, "personal", None, 200),
-        ({"role": "USER"}, "personal", "7/43", 403),
-        ({"role": "USER"}, "personal", "8/50", 403),
+        ({"role": "SYSTEM_ADMIN"}, "system", None),
+        ({"role": "USER"}, "system", None),
+        ({"role": "ADMIN"}, "company", None),
+        ({"role": "USER"}, "company", None),
+        ({"role": "USER"}, "personal", None),
+        ({"role": "USER"}, "personal", "7/43"),
+        ({"role": "USER"}, "personal", "8/50"),
     ],
 )
-def test_역할_표(client, role, layer, owner, want):
+def test_역할_표_늘_개인_층(client, role, layer, owner):
+    """837-1 · 요구 855 — 누가 어느 경로 층 · 주인으로 올려도 자기 개인 층(옛 「층 권한 403」 갈음)."""
     client.who.update(role)
     params = {"owner": owner} if owner else {}
-    assert _post(client, layer, **params).status_code == want
-    if want == 200:
-        assert client.get(URL.format(layer)).json()["줄"][0]["호표수"] == 68
+    assert _post(client, layer, **params).status_code == 200
+    assert client.get(URL.format("personal")).json()["줄"][0]["호표수"] == 68
+    assert client.get(URL.format(layer), params=params).json()["줄"][0]["호표수"] == 68  # 같은 자리
 
 
-def test_마스터_층은_마스터_폴더(client):
+def test_마스터_경로로_올려도_마스터_폴더에_안_씀(client):
     client.who.update(role="SYSTEM_ADMIN")
+    before = master_hash()
     assert _post(client, "system").status_code == 200
-    assert (client.system / hs.DIRNAME / "HP-000001.json").is_file()
-    client.who.update(role="USER")
-    assert client.get(URL.format("system")).json()["줄"][0]["키"] == "HP-000001"  # 읽기 = 누구나
-    assert client.delete(URL.format("system") + "/HP-000001").status_code == 403
+    assert not (client.system / hs.DIRNAME).exists()  # 837-1 — 마스터 폴더 증가 0
+    assert master_hash() == before
 
 
 def _linked_xlsx() -> bytes:
diff --git a/resources/tester/test_m02_hopyo_grid.py b/resources/tester/test_m02_hopyo_grid.py
index 59aba9f0d..1e1e4ee04 100644
--- a/resources/tester/test_m02_hopyo_grid.py
+++ b/resources/tester/test_m02_hopyo_grid.py
@@ -100,7 +100,7 @@ def test_올리기_격자_200_404_지우기(client):
     ("role", "layer", "owner", "want"),
     [
         ({"role": "USER"}, "personal", None, 200),
-        ({"role": "USER"}, "personal", "7/43", 403),
+        ({"role": "USER"}, "personal", "7/43", 200),  # 837-1 — 주인 글 무시 · 늘 자기 개인 층
         ({"role": "USER"}, "company", None, 200),
         ({"role": "USER"}, "system", None, 200),
     ],
diff --git a/resources/tester/test_m02_hopyo_screen.py b/resources/tester/test_m02_hopyo_screen.py
index 36d536b5b..eed03d6c1 100644
--- a/resources/tester/test_m02_hopyo_screen.py
+++ b/resources/tester/test_m02_hopyo_screen.py
@@ -39,9 +39,8 @@ def test_좌측_판_자리와_권한():
     assert "input.hidden = true;" in hopyo_side
     choose = hopyo_side.split("async function choose()")[1].split("input.addEventListener")[0]
     assert "input.click();" in choose  # 누름 하나 — 바로 파일 고르기 창
-    assert "accessFor(layer, null, user).canWrite" in imp  # 결과 층 = 쓸 수 있는 층만
-    assert 'let pick: ManageLayer = "personal";' in hopyo_side  # 기본 개인
-    assert "layers.length > 1" in hopyo_side  # 층 고름 = 둘 이상일 때만(일반 = 개인 하나)
+    assert "writableLayers" not in imp + hopyo_side  # 837-1 층 고름 걷음 — 늘 개인 층
+    assert "uploadHopyo(MINE, file)" in hopyo_side
     for gone in ("wantSangeun", "STEPS", "second(", "steps.set", "data-hopyo-sangeun"):
         assert gone not in imp + hopyo_side, gone  # 중간 걸음 · 단가산출 체크 없음