作为独立PR，先退回 PR 1405 的单元测试

Author: cyfung1031

packages/filesystem/onedrive/onedrive.test.ts

@@ -280,55 +280,4 @@ describe("OneDriveFileSystem", () => {
       });
     }
   });
-
-  it("writer should upload empty string with simple PUT", async () => {
-    const fs = new OneDriveFileSystem("/", "token");
-    const requestSpy = vi.spyOn(fs, "request").mockResolvedValue({});
-
-    const writer = await fs.create("empty.txt");
-    await writer.write("");
-
-    expect(requestSpy).toHaveBeenCalledTimes(1);
-    expect(requestSpy.mock.calls[0][0]).toBe(
-      "https://graph.microsoft.com/v1.0/me/drive/special/approot:/empty.txt:/content"
-    );
-    expect(requestSpy.mock.calls[0][1]).toMatchObject({
-      method: "PUT",
-      body: "",
-    });
-  });
-
-  it("writer should upload empty Blob with simple PUT", async () => {
-    const fs = new OneDriveFileSystem("/", "token");
-    const requestSpy = vi.spyOn(fs, "request").mockResolvedValue({});
-    const emptyBlob = new Blob([]);
-
-    const writer = await fs.create("empty.bin");
-    await writer.write(emptyBlob);
-
-    expect(requestSpy).toHaveBeenCalledTimes(1);
-    expect(requestSpy.mock.calls[0][0]).toBe(
-      "https://graph.microsoft.com/v1.0/me/drive/special/approot:/empty.bin:/content"
-    );
-    expect((requestSpy.mock.calls[0][1] as RequestInit).body).toBe(emptyBlob);
-  });
-
-  it("writer should keep upload session for non-empty content", async () => {
-    const fs = new OneDriveFileSystem("/", "token");
-    const requestSpy = vi
-      .spyOn(fs, "request")
-      .mockResolvedValueOnce({ uploadUrl: "https://upload.example/session" })
-      .mockResolvedValueOnce({});
-
-    const writer = await fs.create("not-empty.txt");
-    await writer.write("abc");
-
-    expect(requestSpy).toHaveBeenCalledTimes(2);
-    expect(requestSpy.mock.calls[0][0]).toBe(
-      "https://graph.microsoft.com/v1.0/me/drive/special/approot:/not-empty.txt:/createUploadSession"
-    );
-    expect(requestSpy.mock.calls[1][0]).toBe("https://upload.example/session");
-    const headers = (requestSpy.mock.calls[1][1] as RequestInit).headers as Headers;
-    expect(headers.get("Content-Range")).toBe("bytes 0-2/3");
-  });
 });