ci: add retry for flaky WASM tests

Author: ivanauth

.github/workflows/build-test.yaml

@@ -74,16 +74,21 @@ jobs:
       - name: "Run WASM Tests"
         # There's a whole bunch of vars in the environment that aren't needed for running this test, so we clear them out.
         # NOTE: if you need to do this in the future, I recommend bashing into the container and running `env | sort | less`
-        run: |-
-          GOOS=js \
-          GOARCH=wasm \
-          cleanenv \
-          -remove-prefix GITHUB_ \
-          -remove-prefix ANDROID_ \
-          -remove-prefix JAVA_ \
-          -remove-prefix DOTNET_ \
-          -remove-prefix RUNNER_ \
-          -remove-prefix HOMEBREW_ \
-          -remove-prefix runner_ \
-          -- \
-          go test ./pkg/wasm/... -exec $(go env GOPATH)/bin/wasmbrowsertest
+        # NOTE: wasmbrowsertest can have flaky websocket timeouts, so we retry up to 3 times
+        uses: "nick-fields/retry@v3"
+        with:
+          max_attempts: 3
+          timeout_minutes: 5
+          command: |-
+            GOOS=js \
+            GOARCH=wasm \
+            cleanenv \
+            -remove-prefix GITHUB_ \
+            -remove-prefix ANDROID_ \
+            -remove-prefix JAVA_ \
+            -remove-prefix DOTNET_ \
+            -remove-prefix RUNNER_ \
+            -remove-prefix HOMEBREW_ \
+            -remove-prefix runner_ \
+            -- \
+            go test ./pkg/wasm/... -exec $(go env GOPATH)/bin/wasmbrowsertest