Add tests

Author: chrisrink10

.github/workflows/CI.yml

@@ -18,8 +18,25 @@ permissions:
   contents: read
 
 jobs:
+  test:
+    runs-on: ${{matrix.os}}
+    strategy:
+      matrix:
+        os: [ macos-latest, ubuntu-latest, windows-latest ]
+        version: [ '3.9', '3.10', '3.11', '3.12', '3.13' ]
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.version }}
+      - name: Install uv
+        uses: astral-sh/setup-uv@v5
+      - name: Run tests
+        run: uv run pytest
+
   linux:
     runs-on: ${{ matrix.platform.runner }}
+    needs: [ test ]
     strategy:
       matrix:
         platform:
@@ -62,6 +79,7 @@ jobs:
 
   musllinux:
     runs-on: ${{ matrix.platform.runner }}
+    needs: [ test ]
     strategy:
       matrix:
         platform:
@@ -100,6 +118,7 @@ jobs:
 
   windows:
     runs-on: ${{ matrix.platform.runner }}
+    needs: [ test ]
     strategy:
       matrix:
         platform:
@@ -133,6 +152,7 @@ jobs:
 
   macos:
     runs-on: ${{ matrix.platform.runner }}
+    needs: [ test ]
     strategy:
       matrix:
         platform: