class_docstr: Test that the device declares its capabilities correctly.
class_docstr_tok: ["Test","that","the","device","declares","its","capabilities","correctly","."]
docstr: Test that the device class has a capabilities() method returning a dictionary.
docstr_tok: ["Test","that","the","device","class","has","a","capabilities","(",")","method","returning","a","dictionary","."]
code: def test_has_capabilities_dictionary(self, device_kwargs):
      """Test that the device class has a capabilities() method returning a dictionary."""
      device_kwargs["wires"] = 1
      dev = qml.device(**device_kwargs)
      cap = dev.capabilities()
      assert isinstance(cap, dict)
  
file_path: pennylane/pennylane/devices/tests/test_properties.py
imports: import pytest
  import pennylane.numpy
  import pennylane
  from pennylane._device import DeviceError
label_desc: Use image node_id 1 for calling the TestCapabilities obj's underlying member method code with example usage: obj.test_has_capabilities_dictionary(device_kwargs) without return types