diff --git a/meta/lib/oeqa/sdk/testsdk.py b/meta/lib/oeqa/sdk/testsdk.py
index 35e40187bc..e0179c9849 100644
--- a/meta/lib/oeqa/sdk/testsdk.py
+++ b/meta/lib/oeqa/sdk/testsdk.py
@@ -101,6 +101,10 @@ class TestSDK(TestSDKBase):
                 processes = None
 
         sdk_dir = d.expand("${WORKDIR}/testimage-sdk/")
+
+        # Ensure the Test SDK directory is writable for all users.
+        subprocess.check_output(['chmod', 'ugo+w', '-R', sdk_dir], stderr=subprocess.STDOUT)
+
         bb.utils.remove(sdk_dir, True)
         bb.utils.mkdirhier(sdk_dir)