add a github CI workflow to run tests

.github/workflows/CI.yml

@@ -0,0 +1,35 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - main
+    tags: '*'
+  pull_request:
+  workflow_dispatch:
+
+jobs:
+  test:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os:
+          - ubuntu-latest
+          - macos-latest
+        architecture: [x64]
+        python-version: ['3.9']
+      fail-fast: false
+    name: Test ${{ matrix.os }} ${{ matrix.architecture }}
+      Python ${{ matrix.python-version }}
+    steps:
+      - uses: actions/checkout@v1
+      - name: Setup python
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python-version }}
+          architecture: ${{ matrix.architecture }}
+      - name: Install nosetests
+        run: |
+            pip install nosetests
+      - name: Run test
+        run: nosetests pyrms/rmsTest