kleaf: Disable DdkWorkspaceSetupTest.

This allows us to add the test to CI first
(which will show up as skipped test), then
upload a change to re-enable the test,
so we can run the test on presubmit to ensure
CI can run it properly.

Bug: 338263410
Change-Id: I878f2ddedea2016908122ee07bbc367021272f85
1 file changed