diff --git a/test/py/tests/test_ut.py b/test/py/tests/test_ut.py
index 6d44191..7a0bde4 100644
--- a/test/py/tests/test_ut.py
+++ b/test/py/tests/test_ut.py
@@ -501,6 +501,55 @@
 
     print(f'wrote to {fname}')
 
+    mmc_dev = 8
+    fname = os.path.join(cons.config.source_dir, f'mmc{mmc_dev}.img')
+    u_boot_utils.run_and_log(cons, f'qemu-img create {fname} 20M')
+    u_boot_utils.run_and_log(cons, f'cgpt create {fname}')
+
+    ptr = 40
+
+    # Number of sectors in 1MB
+    sect_size = 512
+    sect_1mb = (1 << 20) // sect_size
+
+    required_parts = [
+        {'num': 1, 'label':'misc', 'size': '1M'},
+        {'num': 2, 'label':'boot_a', 'size': '4M'},
+        {'num': 3, 'label':'boot_b', 'size': '4M'},
+    ]
+
+    for part in required_parts:
+        size_str = part['size']
+        if 'M' in size_str:
+            size = int(size_str[:-1]) * sect_1mb
+        else:
+            size = int(size_str)
+        u_boot_utils.run_and_log(
+            cons,
+            f"cgpt add -i {part['num']} -b {ptr} -s {size} -l {part['label']} -t basicdata {fname}")
+        ptr += size
+
+    u_boot_utils.run_and_log(cons, f'cgpt boot -p {fname}')
+    out = u_boot_utils.run_and_log(cons, f'cgpt show -q {fname}')
+
+    # Create a dict (indexed by partition number) containing the above info
+    for line in out.splitlines():
+        start, size, num, name = line.split(maxsplit=3)
+        parts[int(num)] = Partition(int(start), int(size), name)
+
+    with open(fname, 'rb') as inf:
+        disk_data = inf.read()
+
+    test_abootimg.AbootimgTestDiskImage(cons, 'boot.img', test_abootimg.img_hex)
+    boot_img = os.path.join(cons.config.result_dir, 'boot.img')
+    with open(boot_img, 'rb') as inf:
+        set_part_data(2, inf.read())
+
+    with open(fname, 'wb') as outf:
+        outf.write(disk_data)
+
+    print(f'wrote to {fname}')
+
     return fname
 
 def setup_cedit_file(cons):