kleaf: Re-enable DdkWorkspaceSetupTest

With the test added to CI, we can check
with this CL whether the test can properly
run on CI.

Bug: 338263410
Change-Id: I786082fc73812a9b07a70f0a7a92ad4fdf58391e
diff --git a/kleaf/tests/integration_test/integration_test.py b/kleaf/tests/integration_test/integration_test.py
index a3fbd21..736fead 100644
--- a/kleaf/tests/integration_test/integration_test.py
+++ b/kleaf/tests/integration_test/integration_test.py
@@ -408,7 +408,6 @@
         self._build(args)
 
 
-@unittest.skip("TODO(b/338263410): enable test after added to CI")
 class DdkWorkspaceSetupTest(KleafIntegrationTestBase):
     """Tests setting up a DDK workspace with @kleaf as dependency."""