test(bigtable): Run conformance tests for bigtable

.github/workflows/conformance.yaml

@@ -26,6 +26,10 @@ name: conformance
 jobs:
   conformance:
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        go: [ '1.19', '1.20', '1.21' ]
+        folders: ['bigtable']
     steps:
     - uses: actions/checkout@v3
       with:
@@ -37,8 +41,8 @@ jobs:
         path: cloud-bigtable-clients-test
     - uses: actions/setup-go@v4
       with:
-        go-version: '>=1.20.2'
-    - run: go install github.com/jstemmer/go-junit-report/v2@latest
-    - run: chmod +x ./google-cloud-go/bigtable/conformance_test.sh
+          go-version: ${{ matrix.go }}
     - run: go version
-    - run: ./google-cloud-go/bigtable/conformance_test.sh
+    - run: go install github.com/jstemmer/go-junit-report/v2@latest
+    - run: chmod +x ./google-cloud-go/${{ matrix.folders }}/conformance_test.sh
+    - run: ./google-cloud-go/${{ matrix.folders }}/conformance_test.sh

bigtable/conformance_test.sh

@@ -31,9 +31,8 @@ conformanceTestsHome=$rootDir/cloud-bigtable-clients-test/tests
 
 sponge_log=$clientLibHome/sponge_log.log
 
-pushd $testProxyHome > /dev/null;
-    go build
-popd > /dev/null;
+cd $testProxyHome
+go build
 
 nohup $testProxyHome/testproxy --port $testProxyPort &
 proxyPID=$!
@@ -49,11 +48,12 @@ function cleanup() {
 }
 trap cleanup EXIT
 
-pushd $conformanceTestsHome > /dev/null;
-    # Run the conformance tests
-    go test -v -proxy_addr=:$testProxyPort | tee -a $sponge_log
-    RETURN_CODE=$?
-popd > /dev/null;
+# Run the conformance tests
+cd $conformanceTestsHome
+go install golang.org/dl/go1.20.2@latest
+go1.20.2 download
+go1.20.2 test -v -proxy_addr=:$testProxyPort | tee -a $sponge_log
+RETURN_CODE=$?
 
 echo "exiting with ${RETURN_CODE}"
 exit ${RETURN_CODE}