diff --git a/.github/workflows/charm4py.yml b/.github/workflows/charm4py.yml
index 9169a977..b9564740 100644
--- a/.github/workflows/charm4py.yml
+++ b/.github/workflows/charm4py.yml
@@ -17,14 +17,21 @@ jobs:
     - name: build-charm4py
       run: |
         git fetch --unshallow # Need full repo for 'git describe' used by setup.py
-        pip3 install setuptools cython cffi greenlet numpy
+        pip3 install setuptools cython greenlet numpy
         git clone https://github.com/UIUC-PPL/charm charm_src/charm
         export CHARM_EXTRA_BUILD_OPTS="--enable-error-checking"
         export CHARM_BUILD_PROCESSES=2
-        export CHARM4PY_BUILD_CFFI=1
         python3 setup.py build_ext --inplace
+        export PYTHONPATH="$PWD"
     - name: test-charm4py
       run: |
+        git clone https://github.com/slm960323/task-bench.git
+        cd task-bench
+        cd core
+        make -j2
+        export LD_LIBRARY_PATH=$(pwd):$LD_LIBRARY_PATH
+        cd ../../
         export PYTHONPATH="$PWD"
         export CHARM4PY_TEST_NUM_PROCESSES=2
         python3 auto_test.py
+
diff --git a/test_config.json b/test_config.json
index 4c7054bb..1f5199b7 100644
--- a/test_config.json
+++ b/test_config.json
@@ -9,6 +9,15 @@
         "force_min_processes": 4,
         "path": "tests/entry_methods/array_element_proxy.py"
     },
+    {
+        "force_min_processes": 1,
+        "path": "tests/local_msg.py"
+    },
+    {
+        "force_min_processes": 4,
+        "path": "task-bench/charm4py/task_bench.py",
+        "args": "-steps 4 -width 8 -type stencil_1d"
+    },
     {
         "force_min_processes": 4,
         "path": "tests/entry_methods/group_element_proxy.py"
diff --git a/tests/local_msg.py b/tests/local_msg.py
new file mode 100644
index 00000000..c6368a0b
--- /dev/null
+++ b/tests/local_msg.py
@@ -0,0 +1,29 @@
+from charm4py import charm, Chare, Array
+
+class Elem(Chare):
+    def __init__ (self, main_proxy):
+        self.main_proxy = main_proxy
+
+    def recv(self, data):
+        data[0] = 100
+        print("Chare :: data[0] = {}".format(data[0]))
+        self.main_proxy.done()
+
+class Main(Chare):
+    def __init__(self):
+        self.data = list(range(10))
+        elem = Chare(Elem, args=[self.thisProxy])
+        charm.awaitCreation(elem)
+        elem.recv(self.data)
+
+    def done(self):
+        print("Main :: data[0] = {}".format(self.data[0]))
+        assert(self.data[0] == 0)
+        exit()
+
+def main(args):
+    m = Chare(Main)
+    charm.awaitCreation(m)
+
+charm.start(main)
+