Run tests in CI

Author: addshore

.github/workflows/test.yaml

@@ -0,0 +1,20 @@
+name: Tests
+
+on:
+    push:
+    pull_request:
+        branches:
+            - 'main'
+        
+jobs:
+    test:
+        name: Tests
+        runs-on: ubuntu-latest
+        steps:
+        - uses: actions/checkout@v4
+
+        - uses: toitlang/action-setup@v1
+          with:
+            toit-version: 'v2.0.0-alpha.120'
+
+        - run: find tests -type f \( -name '*_test.toit' -o -name '*.test.toit' \) -exec toit.run {} \;