Download runtime cache instead of creating new one

zombienet/docker/tester.Dockerfile

@@ -5,19 +5,15 @@ FROM qdrvm/kagome:latest as kagome
 FROM qdrvm/zombie-builder:$POLKADOT_SDK_RELEASE AS tester
 COPY --from=kagome /usr/local/bin/kagome /home/nonroot/bin
 RUN git clone https://github.com/qdrvm/kagome.git -b test/polkadot-functional-zombietests
+
+# TODO(kamilsa): #2099 Remove this once we have a proper way to precompile
+RUN mkdir /tmp/kagome/
+RUN wget --no-check-certificate 'https://drive.usercontent.google.com/uc?id=1HlZ581MfFH9xtIXCj20NyUuDAC5Ip4CN&export=download&confirm=yes' -O /tmp/runtime_cache.zip
+RUN apt update && apt install -y unzip
+RUN unzip /tmp/runtime_cache.zip -d /tmp/kagome/
+RUN rm /tmp/runtime_cache.zip
+
 RUN mkdir /home/nonroot/.local && \
    chown nonroot:nonroot /home/nonroot/.local && \
    chown nonroot:nonroot /tmp
 USER nonroot
-#CMD zombienet-linux-x64 test -p native kagome/zombienet/0001-parachains-smoke-test/0001-parachains-smoke-test.zndsl && \
-#    zombienet-linux-x64 test -p native kagome/zombienet/0002-parachains-upgrade-smoke-tests/0002-parachains-upgrade-smoke-test.zndsl && \
-#    zombienet-linux-x64 test -p native kagome/zombienet/0003-parachains-smoke-test-cumulus/0003-parachains-smoke-test-cumulus.zndsl
-
-
-# Prepare runtimes
-RUN mkdir /tmp/chain-specs
-RUN polkadot build-spec --chain rococo-local --raw > /tmp/chain-specs/rococo-local.raw
-RUN polkadot build-spec --chain westend-local --raw > /tmp/chain-specs/westend-local.raw
-# TODO(kamilsa) #2099: replace kagome launch with timeout below with precompile command
-RUN timeout 10m kagome --chain /tmp/chain-specs/rococo-local.raw --tmp --validator --wasm-execution Compiled || echo "kagome command timed out"
-RUN timeout 10m kagome --chain /tmp/chain-specs/westend-local.raw --tmp --validator --wasm-execution Compiled || echo "kagome command timed out"