First pass on compatibility tests

With some help from GPT, add a TCL script that has similar syntax as
some of the SQLite source tree tests.

.github/workflows/rust.yml

@@ -21,8 +21,10 @@ jobs:
     - uses: actions/checkout@v3
     - name: Build
       run: cargo build --verbose
-    - name: Run tests
+    - name: Run Rust tests
       run: cargo test --verbose
+    - name: Run compatibility tests
+      run: make test
 
   build-wasm:
     runs-on: ubuntu-latest