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-rw-r--r--tests/avocado/boot_linux_console.py5
1 files changed, 5 insertions, 0 deletions
diff --git a/tests/avocado/boot_linux_console.py b/tests/avocado/boot_linux_console.py
index 8c1d981586..13e6688624 100644
--- a/tests/avocado/boot_linux_console.py
+++ b/tests/avocado/boot_linux_console.py
@@ -30,6 +30,11 @@ Round up to next power of 2
 def pow2ceil(x):
     return 1 if x == 0 else 2**(x - 1).bit_length()
 
+def file_truncate(path, size):
+    if size != os.path.getsize(path):
+        with open(path, 'ab+') as fd:
+            fd.truncate(size)
+
 """
 Expand file size to next power of 2
 """