TST: add install/import tests

.github/workflows/basic-install.yml

@@ -0,0 +1,45 @@
+name: Clean install
+
+on:
+  push:
+    branches: [ "github-main" ]
+  pull_request:
+    branches: [ "github-main" ]
+
+jobs:
+  build:
+
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest, windows-latest]
+        python-version: ["3.9", "3.10", "3.11"]
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v4
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Install
+        run: python -m pip install .[all]
+      - name: List environment
+        run: python -m pip list installed
+      - name: Test imports
+        run: |
+          - python -c "import bilby"
+          - python -c "import bilby.bilby_mcmc"
+          - python -c "import bilby.core"
+          - python -c "import bilby.core.prior"
+          - python -c "import bilby.core.sampler"
+          - python -c "import bilby.core.utils"
+          - python -c "import bilby.gw"
+          - python -c "import bilby.gw.detector"
+          - python -c "import bilby.gw.eos"
+          - python -c "import bilby.gw.likelihood"
+          - python -c "import bilby.gw.sampler"
+          - python -c "import bilby.hyper"
+          - python -c "import cli_bilby"
+          - python test/import_test.py
+          - for script in $(pip show -f bilby | grep "bin\/" | xargs -I {} basename {}); do
+                ${script} --help;
+            done