Fix deprecation test version for accelerator collective (#9892)

Author: kaushikb11

tests/deprecated_api/test_remove_1-6.py

@@ -330,7 +330,7 @@ def test_v1_6_0_deprecated_device_dtype_mixin_import():
         from pytorch_lightning.utilities.device_dtype_mixin import DeviceDtypeModuleMixin  # noqa: F401
 
 
-def test_v1_7_0_deprecated_accelerator_collective():
+def test_v1_6_0_deprecated_accelerator_collective():
     from pytorch_lightning.plugins.precision import PrecisionPlugin
     from pytorch_lightning.plugins.training_type import SingleDevicePlugin