[RFC,6/8] tests/pytest: Convert some tests that download files via fetch_asset()

diff --git a/tests/pytest/meson.build b/tests/pytest/meson.build
index 1486628d45..d3607db362 100644
--- a/tests/pytest/meson.build
+++ b/tests/pytest/meson.build
@@ -8,6 +8,22 @@  pytests_generic = [
   'version',
 ]
 
+pytests_arm = [
+  'machine_arm_n8x0',
+]
+
+pytests_avr = [
+  'machine_avr6',
+]
+
+pytests_loongarch64 = [
+  'machine_loongarch',
+]
+
+pytests_mips64el = [
+  'machine_mips_loongson3v',
+]
+
 pytests_x86_64 = [
   'cpu_queries',
   'mem_addr_space',
diff --git a/tests/avocado/machine_arm_n8x0.py b/tests/pytest/test_machine_arm_n8x0.py
similarity index 71%
rename from tests/avocado/machine_arm_n8x0.py
rename to tests/pytest/test_machine_arm_n8x0.py
index 12e9a6803b..082284b975 100644
--- a/tests/avocado/machine_arm_n8x0.py
+++ b/tests/pytest/test_machine_arm_n8x0.py
@@ -10,9 +10,9 @@ 
 
 import os
 
-from avocado import skipUnless
-from avocado_qemu import QemuSystemTest
-from avocado_qemu import wait_for_console_pattern
+from unittest import skipUnless
+from qemu_pytest import QemuSystemTest
+from qemu_pytest import wait_for_console_pattern
 
 class N8x0Machine(QemuSystemTest):
     """Boots the Linux kernel and checks that the console is operational"""
@@ -32,18 +32,12 @@  def __do_test_n8x0(self):
         self.vm.launch()
         wait_for_console_pattern(self, 'TSC2005 driver initializing')
 
-    @skipUnless(os.getenv('AVOCADO_ALLOW_UNTRUSTED_CODE'), 'untrusted code')
+    @skipUnless(os.getenv('QEMU_TEST_ALLOW_UNTRUSTED_CODE'), 'untrusted code')
     def test_n800(self):
-        """
-        :avocado: tags=arch:arm
-        :avocado: tags=machine:n800
-        """
+        self.machine = 'n800'
         self.__do_test_n8x0()
 
-    @skipUnless(os.getenv('AVOCADO_ALLOW_UNTRUSTED_CODE'), 'untrusted code')
+    @skipUnless(os.getenv('QEMU_TEST_ALLOW_UNTRUSTED_CODE'), 'untrusted code')
     def test_n810(self):
-        """
-        :avocado: tags=arch:arm
-        :avocado: tags=machine:n810
-        """
+        self.machine = 'n810'
         self.__do_test_n8x0()
diff --git a/tests/avocado/machine_avr6.py b/tests/pytest/test_machine_avr6.py
similarity index 91%
rename from tests/avocado/machine_avr6.py
rename to tests/pytest/test_machine_avr6.py
index 5485db79c6..479038a221 100644
--- a/tests/avocado/machine_avr6.py
+++ b/tests/pytest/test_machine_avr6.py
@@ -19,16 +19,12 @@ 
 
 import time
 
-from avocado_qemu import QemuSystemTest
+from qemu_pytest import QemuSystemTest
 
 class AVR6Machine(QemuSystemTest):
     timeout = 5
 
     def test_freertos(self):
-        """
-        :avocado: tags=arch:avr
-        :avocado: tags=machine:arduino-mega-2560-v3
-        """
         """
         https://github.com/seharris/qemu-avr-tests/raw/master/free-rtos/Demo/AVR_ATMega2560_GCC/demo.elf
         constantly prints out 'ABCDEFGHIJKLMNOPQRSTUVWXABCDEFGHIJKLMNOPQRSTUVWX'
@@ -39,6 +35,7 @@  def test_freertos(self):
         rom_hash = '7eb521f511ca8f2622e0a3c5e8dd686efbb911d4'
         rom_path = self.fetch_asset(rom_url, asset_hash=rom_hash)
 
+        self.machine = 'arduino-mega-2560-v3'
         self.vm.add_args('-bios', rom_path)
         self.vm.add_args('-nographic')
         self.vm.launch()
diff --git a/tests/avocado/machine_loongarch.py b/tests/pytest/test_machine_loongarch.py
similarity index 89%
rename from tests/avocado/machine_loongarch.py
rename to tests/pytest/test_machine_loongarch.py
index 8de308f2d6..3eb68745ac 100644
--- a/tests/avocado/machine_loongarch.py
+++ b/tests/pytest/test_machine_loongarch.py
@@ -5,9 +5,9 @@ 
 # Copyright (c) 2023 Loongson Technology Corporation Limited
 #
 
-from avocado_qemu import QemuSystemTest
-from avocado_qemu import exec_command_and_wait_for_pattern
-from avocado_qemu import wait_for_console_pattern
+from qemu_pytest import QemuSystemTest
+from qemu_pytest import exec_command_and_wait_for_pattern
+from qemu_pytest import wait_for_console_pattern
 
 class LoongArchMachine(QemuSystemTest):
     KERNEL_COMMON_COMMAND_LINE = 'printk.time=0 '
@@ -21,10 +21,7 @@  def wait_for_console_pattern(self, success_message, vm=None):
 
     def test_loongarch64_devices(self):
 
-        """
-        :avocado: tags=arch:loongarch64
-        :avocado: tags=machine:virt
-        """
+        self.machine = 'virt'
 
         kernel_url = ('https://github.com/yangxiaojuan-loongson/qemu-binary/'
                       'releases/download/2024-05-30/vmlinuz.efi')
diff --git a/tests/avocado/machine_mips_loongson3v.py b/tests/pytest/test_machine_mips_loongson3v.py
similarity index 59%
rename from tests/avocado/machine_mips_loongson3v.py
rename to tests/pytest/test_machine_mips_loongson3v.py
index 5194cf18c9..189b22c04e 100644
--- a/tests/avocado/machine_mips_loongson3v.py
+++ b/tests/pytest/test_machine_mips_loongson3v.py
@@ -10,28 +10,21 @@ 
 import os
 import time
 
-from avocado import skipUnless
-from avocado_qemu import QemuSystemTest
-from avocado_qemu import wait_for_console_pattern
+from unittest import skipUnless
+from qemu_pytest import QemuSystemTest
+from qemu_pytest import wait_for_console_pattern
 
 class MipsLoongson3v(QemuSystemTest):
     timeout = 60
 
-    @skipUnless(os.getenv('AVOCADO_ALLOW_UNTRUSTED_CODE'), 'untrusted code')
+    @skipUnless(os.getenv('QEMU_TEST_ALLOW_UNTRUSTED_CODE'), 'untrusted code')
     def test_pmon_serial_console(self):
-        """
-        :avocado: tags=arch:mips64el
-        :avocado: tags=endian:little
-        :avocado: tags=machine:loongson3-virt
-        :avocado: tags=cpu:Loongson-3A1000
-        :avocado: tags=device:liointc
-        :avocado: tags=device:goldfish_rtc
-        """
+        self.machine = 'loongson3-virt'
 
         pmon_hash = '7c8b45dd81ccfc55ff28f5aa267a41c3'
         pmon_path = self.fetch_asset('https://github.com/loongson-community/pmon/'
                                     'releases/download/20210112/pmon-3avirt.bin',
-                                     asset_hash=pmon_hash, algorithm='md5')
+                                     asset_hash=pmon_hash)
 
         self.vm.set_console()
         self.vm.add_args('-bios', pmon_path)