CI: Run VPL tests

Add tests for VPL into the mix. For now this just runs the help test and
a few SPL ones.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index f193ffd..c6a608f 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -260,6 +260,12 @@
     TEST_PY_TEST_SPEC: "test_ofplatdata or test_handoff or test_spl"
   <<: *buildman_and_testpy_dfn
 
+sandbox_vpl test.py:
+  variables:
+    TEST_PY_BD: "sandbox_vpl"
+    TEST_PY_TEST_SPEC: "test_vpl_help or test_spl"
+  <<: *buildman_and_testpy_dfn
+
 evb-ast2500 test.py:
   variables:
     TEST_PY_BD: "evb-ast2500"