new_contents: 
  
  def test_create_tensor(client):
      result = client.post("/dcfl/tensors", data={"tensor": "{serialized_tensor}"})
      assert result.status_code == 200
      assert result.get_json() == {"msg": "tensor created succesfully!"}
  
  def test_get_all_tensors(client):
      result = client.get("/dcfl/tensors")
      assert result.status_code == 200
      assert result.get_json() == {
          "tensors": [
              {
                  "id": "35654sad6ada",
                  "tags": ["tensor-a"],
                  "description": "tensor sample",
              },
              {
                  "id": "adfarf3f1af5",
                  "tags": ["tensor-b"],
                  "description": "tensor sample",
              },
              {
                  "id": "fas4e6e1fas",
                  "tags": ["tensor-c"],
                  "description": "tensor sample",
              },
          ]
      }
  
  def test_get_specific_tensor(client):
      result = client.get("/dcfl/tensors/5484626")
      assert result.status_code == 200
      assert result.get_json() == {
          "tensor": {
              "id": "5484626",
              "tags": ["tensor-a"],
              "description": "tensor sample",
          }
      }
  
  
  def test_update_tensor(client):
      result = client.put("/dcfl/tensors/546313", data={"tensor": "new_serialized_tensor"})
      assert result.status_code == 200
      assert result.get_json() == {"msg": "tensor changed succesfully!"}
  
  def test_delete_tensor(client):
      result = client.delete("/dcfl/tensors/546313")
      assert result.status_code == 200
      assert result.get_json() == {"msg": "tensor deleted succesfully!"}
  
subject: ADD tensors unit tests