diff --git a/.github/workflows/run_test.yml b/.github/workflows/run_test.yml
new file mode 100644
index 0000000..eb8cf62
--- /dev/null
+++ b/.github/workflows/run_test.yml
@@ -0,0 +1,27 @@
+name: Run All UnitTest
+
+on: [push, pull_request]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    strategy:
+      max-parallel: 4
+      matrix:
+        python-version: [3.7, 3.8]
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install -r requirements.txt -r requirements_test.txt
+      - name: Test with pytest
+        run: |
+          export PYTHONPATH=./
+          pytest --verbose --color=yes
\ No newline at end of file
diff --git a/tests/test_default_processor.py b/tests/test_default_processor.py
index 7ed3ec3..c0fc5b9 100644
--- a/tests/test_default_processor.py
+++ b/tests/test_default_processor.py
@@ -1,8 +1,17 @@
 import json
+from datetime import datetime
 from pytchat.parser.live import Parser
 from pytchat.processors.default.processor import DefaultProcessor
 
 
+TEST_TIMETSTAMP = 1570678496000000
+
+
+def get_local_datetime(timestamp):
+    dt = datetime.fromtimestamp(timestamp / 1000000)
+    return dt.strftime('%Y-%m-%d %H:%M:%S')
+
+
 def test_textmessage(mocker):
     '''text message'''
     processor = DefaultProcessor()
@@ -20,7 +29,7 @@ def test_textmessage(mocker):
     assert ret.id == "dummy_id"
     assert ret.message == "dummy_message"
     assert ret.timestamp == 1570678496000
-    assert ret.datetime == "2019-10-10 12:34:56"
+    assert ret.datetime == get_local_datetime(TEST_TIMETSTAMP)
     assert ret.author.name == "author_name"
     assert ret.author.channelId == "author_channel_id"
     assert ret.author.channelUrl == "http://www.youtube.com/channel/author_channel_id"
@@ -51,7 +60,7 @@ def test_textmessage_replay_member(mocker):
     assert ret.message == "dummy_message"
     assert ret.messageEx == ["dummy_message"]
     assert ret.timestamp == 1570678496000
-    assert ret.datetime == "2019-10-10 12:34:56"
+    assert ret.datetime == get_local_datetime(TEST_TIMETSTAMP)
     assert ret.elapsedTime == "1:23:45"
     assert ret.author.name == "author_name"
     assert ret.author.channelId == "author_channel_id"
@@ -83,7 +92,7 @@ def test_superchat(mocker):
     assert ret.message == "dummy_message"
     assert ret.messageEx == ["dummy_message"]
     assert ret.timestamp == 1570678496000
-    assert ret.datetime == "2019-10-10 12:34:56"
+    assert ret.datetime == get_local_datetime(TEST_TIMETSTAMP)
     assert ret.elapsedTime == ""
     assert ret.amountValue == 800
     assert ret.amountString == "￥800"
@@ -125,7 +134,7 @@ def test_supersticker(mocker):
     assert ret.message == ""
     assert ret.messageEx == []
     assert ret.timestamp == 1570678496000
-    assert ret.datetime == "2019-10-10 12:34:56"
+    assert ret.datetime == get_local_datetime(TEST_TIMETSTAMP)
     assert ret.elapsedTime == ""
     assert ret.amountValue == 200
     assert ret.amountString == "￥200"
@@ -166,7 +175,7 @@ def test_sponsor(mocker):
     assert ret.message == "新規メンバー"
     assert ret.messageEx == ["新規メンバー"]
     assert ret.timestamp == 1570678496000
-    assert ret.datetime == "2019-10-10 12:34:56"
+    assert ret.datetime == get_local_datetime(TEST_TIMETSTAMP)
     assert ret.elapsedTime == ""
     assert ret.bgColor == 0
     assert ret.author.name == "author_name"
@@ -199,7 +208,7 @@ def test_sponsor_legacy(mocker):
     assert ret.message == "新規メンバー / ようこそ、author_name！"
     assert ret.messageEx == ["新規メンバー / ようこそ、author_name！"]
     assert ret.timestamp == 1570678496000
-    assert ret.datetime == "2019-10-10 12:34:56"
+    assert ret.datetime == get_local_datetime(TEST_TIMETSTAMP)
     assert ret.elapsedTime == ""
     assert ret.bgColor == 0
     assert ret.author.name == "author_name"