Revert "Deactivate Gentype tests for now"

This reverts commit 3a1fad3.

Author: cknitt

.github/workflows/ci.yml

@@ -319,10 +319,9 @@ jobs:
         if: runner.os != 'Windows' && matrix.os != 'ubuntu-24.04-arm'
         run: opam exec -- make -C tests/analysis_tests test && make -C tests/tools_tests test
 
-      # Deactivated for now
-      # - name: Run gentype tests
-      #   if: runner.os != 'Windows'
-      #   run: make -C tests/gentype_tests/typescript-react-example clean test
+      - name: Run gentype tests
+        if: runner.os != 'Windows'
+        run: make -C tests/gentype_tests/typescript-react-example clean test
 
       - name: Run syntax benchmarks
         if: matrix.benchmarks