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-rwxr-xr-xtests/functional/test_aarch64_raspi4.py5
1 files changed, 1 insertions, 4 deletions
diff --git a/tests/functional/test_aarch64_raspi4.py b/tests/functional/test_aarch64_raspi4.py
index 3918e35e82..7a4302b0c5 100755
--- a/tests/functional/test_aarch64_raspi4.py
+++ b/tests/functional/test_aarch64_raspi4.py
@@ -7,7 +7,6 @@
 
 from qemu_test import LinuxKernelTest, Asset
 from qemu_test import exec_command_and_wait_for_pattern
-from qemu_test.utils import gzip_uncompress
 
 
 class Aarch64Raspi4Machine(LinuxKernelTest):
@@ -63,9 +62,7 @@ class Aarch64Raspi4Machine(LinuxKernelTest):
                                            member='boot/kernel8.img')
         dtb_path = self.archive_extract(self.ASSET_KERNEL_20190215,
                                         member='boot/bcm2711-rpi-4-b.dtb')
-        initrd_path_gz = self.ASSET_INITRD.fetch()
-        initrd_path = self.scratch_file('rootfs.cpio')
-        gzip_uncompress(initrd_path_gz, initrd_path)
+        initrd_path = self.uncompress(self.ASSET_INITRD)
 
         self.set_machine('raspi4b')
         self.vm.set_console()