test: format all test scripts

examples/peripherals/timer_group/gptimer/pytest_gptimer_example.py

@@ -2,10 +2,11 @@
 # SPDX-License-Identifier: CC0-1.0
 import pytest
 from pytest_embedded import Dut
+from pytest_embedded_idf.utils import idf_parametrize
 
 
-@pytest.mark.supported_targets
 @pytest.mark.generic
+@idf_parametrize('target', ['supported_targets'], indirect=['target'])
 def test_gptimer_example(dut: Dut) -> None:
     dut.expect_exact('Create timer handle', timeout=5)
     dut.expect_exact('Start timer, stop it at alarm event', timeout=5)