portage_util_unittest: update cros-workon reference project

The chromite package has been deleted, so this test has started failing.

BUG=chromium:997354
TEST=CQ passes

Change-Id: I21cb68fca7be5f3d172df55b5b9278476686f5e8
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/chromite/+/2695607
Commit-Queue: Mike Frysinger <vapier@chromium.org>
Commit-Queue: Sam McNally <sammc@chromium.org>
Tested-by: Mike Frysinger <vapier@chromium.org>
Auto-Submit: Mike Frysinger <vapier@chromium.org>
Reviewed-by: Sam McNally <sammc@chromium.org>
diff --git a/lib/portage_util_unittest.py b/lib/portage_util_unittest.py
index fd707f9..6747037 100644
--- a/lib/portage_util_unittest.py
+++ b/lib/portage_util_unittest.py
@@ -1261,12 +1261,12 @@
     """Test if we can find the list of workon projects."""
     frecon = 'sys-apps/frecon'
     frecon_project = 'chromiumos/platform/frecon'
-    this = 'chromeos-base/chromite'
-    this_project = 'chromiumos/chromite'
+    dev_install = 'chromeos-base/dev-install'
+    dev_install_project = 'chromiumos/platform2'
     matches = [
-        ([frecon], set([frecon_project])),
-        ([this], set([this_project])),
-        ([frecon, this], set([frecon_project, this_project]))
+        ([frecon], {frecon_project}),
+        ([dev_install], {dev_install_project}),
+        ([frecon, dev_install], {frecon_project, dev_install_project}),
     ]
     if portage_util.FindOverlays(constants.BOTH_OVERLAYS):
       for packages, projects in matches: