add test to github page

.github/.codecov.yml

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+comment: false
+coverage:
+  status:
+    patch: off
+    project: off

.github/pull_request_template.md

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+## What changes do you make in this PR?
+
+* Please describe why you create this PR
+
+## Checklist
+
+* [ ] I have merged the latest main branch into current branch.
+* [ ] I have run `bash scripts/format.sh` before merging.
+* Please use "squash and merge" mode.

.github/workflows/main.yml

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+# This workflow will install Python dependencies, run tests and lint with a single version of Python
+# For more information see: https://help.github.com/actions/language-and-framework-guides/using-python-with-github-actions
+
+name: test
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  code_style:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up Python 3.9
+        uses: actions/setup-python@v2
+        with:
+          python-version: 3.9
+      - name: Check code style
+        run: |
+          pip install "yapf==0.30.0"
+          bash format.sh --test
+
+  test_functionality:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up Python 3.9
+        uses: actions/setup-python@v2
+        with:
+          python-version: 3.9
+      - name: Blackbox tests
+        run: |
+          pip install cython
+          pip install numpy
+          pip install -e .
+          pip install pytest
+          pip install pytest-cov
+          pip install ray
+          cd scenarionet/
+          pytest --cov=./ --cov-config=.coveragerc --cov-report=xml -sv tests
+