Fix Test-Tube CI (#771)

* Add go toolchain to build test tube CI

* TT CI on all push

* Verify TT CI compile error on no go

* Revert "Verify TT CI compile error on no go"

This reverts commit 2199c8e.

* Revert "TT CI on all push"

This reverts commit de6f571.

.github/workflows/test_tube.yml

@@ -25,6 +25,9 @@ jobs:
           target: wasm32-unknown-unknown
           override: true
 
+      - name: Setup Go
+        uses: actions/setup-go@v4
+
       - name: Clone libwasmv (needed for test-tube)
         uses: actions/checkout@v2
         with: