ci: limit example test to ESP32s

examples/system/ota/simple_ota_example/example_test.py

@@ -9,6 +9,7 @@ import ssl
 
 try:
     import IDF
+    from IDF.IDFDUT import ESP32DUT
 except ImportError:
     # this is a test case write with tiny-test-fw.
     # to run test cases outside tiny-test-fw,
@@ -115,7 +116,7 @@ def test_examples_protocol_simple_ota_example(env, extra_data):
       2. Fetch OTA image over HTTPS
       3. Reboot with the new OTA image
     """
-    dut1 = env.get_dut("simple_ota_example", "examples/system/ota/simple_ota_example")
+    dut1 = env.get_dut("simple_ota_example", "examples/system/ota/simple_ota_example", dut_class=ESP32DUT)
     # check and log bin size
     binary_file = os.path.join(dut1.app.binary_path, "simple_ota.bin")
     bin_size = os.path.getsize(binary_file)