diff --git a/tests/functional/test_microblaze_s3adsp1800.py b/tests/functional/test_microblaze_s3adsp1800.py
index c4226f49cf3..c93fa14232b 100755
--- a/tests/functional/test_microblaze_s3adsp1800.py
+++ b/tests/functional/test_microblaze_s3adsp1800.py
@@ -7,6 +7,7 @@
 # This work is licensed under the terms of the GNU GPL, version 2 or
 # later. See the COPYING file in the top-level directory.
 
+from qemu_test import exec_command_and_wait_for_pattern
 from qemu_test import QemuSystemTest, Asset
 from qemu_test import wait_for_console_pattern
 
@@ -20,6 +21,10 @@ class MicroblazeMachine(QemuSystemTest):
          'day17.tar.xz'),
         '3ba7439dfbea7af4876662c97f8e1f0cdad9231fc166e4861d17042489270057')
 
+    ASSET_IMAGE_LE = Asset(
+        ('http://www.qemu-advent-calendar.org/2023/download/day13.tar.gz'),
+        'b9b3d43c5dd79db88ada495cc6e0d1f591153fe41355e925d791fbf44de50c22')
+
     def do_ballerina_be_test(self, machine):
         self.set_machine(machine)
         self.archive_extract(self.ASSET_IMAGE_BE)
@@ -34,8 +39,30 @@ def do_ballerina_be_test(self, machine):
         # message, that's why we don't test for a later string here. This
         # needs some investigation by a microblaze wizard one day...
 
+    def do_xmaton_le_test(self, machine):
+        self.require_netdev('user')
+        self.set_machine(machine)
+        self.archive_extract(self.ASSET_IMAGE_LE)
+        self.vm.set_console()
+        self.vm.add_args('-kernel', self.scratch_file('day13', 'xmaton.bin'))
+        tftproot = self.scratch_file('day13')
+        self.vm.add_args('-nic', f'user,tftp={tftproot}')
+        self.vm.launch()
+        wait_for_console_pattern(self, 'QEMU Advent Calendar 2023')
+        wait_for_console_pattern(self, 'buildroot login:')
+        exec_command_and_wait_for_pattern(self, 'root', '#')
+        exec_command_and_wait_for_pattern(self,
+                'tftp -g -r xmaton.png 10.0.2.2 ; md5sum xmaton.png',
+                '821cd3cab8efd16ad6ee5acc3642a8ea')
+
+
+class MicroblazeBigEndianMachine(MicroblazeMachine):
+
+    ASSET_IMAGE_BE = MicroblazeMachine.ASSET_IMAGE_BE
+
     def test_microblaze_s3adsp1800_legacy_be(self):
         self.do_ballerina_be_test('petalogix-s3adsp1800')
 
+
 if __name__ == '__main__':
     QemuSystemTest.main()
diff --git a/tests/functional/test_microblazeel_s3adsp1800.py b/tests/functional/test_microblazeel_s3adsp1800.py
index 60aab4a45e8..ab59941d57a 100755
--- a/tests/functional/test_microblazeel_s3adsp1800.py
+++ b/tests/functional/test_microblazeel_s3adsp1800.py
@@ -7,37 +7,16 @@
 # This work is licensed under the terms of the GNU GPL, version 2 or
 # later. See the COPYING file in the top-level directory.
 
-from qemu_test import exec_command_and_wait_for_pattern
-from qemu_test import QemuSystemTest, Asset
-from qemu_test import wait_for_console_pattern
+from test_microblaze_s3adsp1800 import MicroblazeMachine
 
 
-class MicroblazeelMachine(QemuSystemTest):
+class MicroblazeLittleEndianMachine(MicroblazeMachine):
 
-    timeout = 90
-
-    ASSET_IMAGE_LE = Asset(
-        ('http://www.qemu-advent-calendar.org/2023/download/day13.tar.gz'),
-        'b9b3d43c5dd79db88ada495cc6e0d1f591153fe41355e925d791fbf44de50c22')
-
-    def do_xmaton_le_test(self, machine):
-        self.require_netdev('user')
-        self.set_machine(machine)
-        self.archive_extract(self.ASSET_IMAGE_LE)
-        self.vm.set_console()
-        self.vm.add_args('-kernel', self.scratch_file('day13', 'xmaton.bin'))
-        tftproot = self.scratch_file('day13')
-        self.vm.add_args('-nic', f'user,tftp={tftproot}')
-        self.vm.launch()
-        wait_for_console_pattern(self, 'QEMU Advent Calendar 2023')
-        wait_for_console_pattern(self, 'buildroot login:')
-        exec_command_and_wait_for_pattern(self, 'root', '#')
-        exec_command_and_wait_for_pattern(self,
-                'tftp -g -r xmaton.png 10.0.2.2 ; md5sum xmaton.png',
-                '821cd3cab8efd16ad6ee5acc3642a8ea')
+    ASSET_IMAGE_LE = MicroblazeMachine.ASSET_IMAGE_LE
 
     def test_microblaze_s3adsp1800_legacy_le(self):
         self.do_xmaton_le_test('petalogix-s3adsp1800')
 
+
 if __name__ == '__main__':
-    QemuSystemTest.main()
+    MicroblazeMachine.main()
