Fix test

test/test_esptool.py

@@ -949,21 +949,6 @@ def test_explicit_set_size_freq_mode(self):
 class TestLoadRAM(EsptoolTestCase):
     # flashing an application not supporting USB-CDC will make
     # /dev/ttyACM0 disappear and USB-CDC tests will not work anymore
-
-    def verify_output(self, expected_out: List[bytes]):
-        """Verify that at least one element of expected_out is in serial output"""
-        # Setting rtscts to true enables hardware flow control.
-        # This removes unwanted RTS logic level changes for some machines
-        # (and, therefore, chip resets)
-        # when the port is opened by the following function.
-        # As a result, the app loaded to RAM has a chance to run and send
-        # "Hello world" data without unwanted chip reset.
-        with serial.serial_for_url(arg_port, arg_baud, rtscts=True) as p:
-            p.timeout = 5
-            output = p.read(100)
-            print(f"Output: {output}")
-            assert any(item in output for item in expected_out)
-
     @pytest.mark.quick_test
     def test_load_ram(self):
         """Verify load_ram command
@@ -972,9 +957,18 @@ def test_load_ram(self):
         "Hello world!\n" to the serial port.
         """
         self.run_esptool(f"load_ram images/ram_helloworld/helloworld-{arg_chip}.bin")
-        self.verify_output(
-            [b"Hello world!", b'\xce?\x13\x05\x04\xd0\x97A\x11"\xc4\x06\xc67\x04']
-        )
+        try:
+            p = serial.serial_for_url(arg_port, arg_baud)
+            p.timeout = 5
+            output = p.read(100)
+            print(f"Output: {output}")
+            assert (
+                b"Hello world!" in output  # xtensa
+                or b'\xce?\x13\x05\x04\xd0\x97A\x11"\xc4\x06\xc67\x04' in output  # C3
+            )
+        finally:
+            p.close()
+
 
 class TestDeepSleepFlash(EsptoolTestCase):
     @pytest.mark.skipif(arg_chip != "esp8266", reason="ESP8266 only")