[go-experimental] Do not generate HTTP signature unit test for every …

…generated SDK (OpenAPITools#5588)

* Do not generate HTTP signature unit test for every generated SDK

* Add golang 1.14 to CI environment

* fix unit test issues

* remove script commands that were commented out

* add support for ed25519 private keys

CI/circle_parallel.sh

@@ -10,6 +10,12 @@ set -e
 if [ "$NODE_INDEX" = "1" ]; then
   echo "Running node $NODE_INDEX to test 'samples.circleci' defined in pom.xml ..."
   java -version
+  # Install golang version 1.14
+  go version
+  sudo mkdir /usr/local/go1.14
+  wget -c https://dl.google.com/go/go1.14.linux-amd64.tar.gz -O - | sudo tar -xz -C /usr/local/go1.14
+  export PATH="/usr/local/go1.14/go/bin:$PATH"
+  go version
 
   mvn --quiet verify -Psamples.circleci -Dorg.slf4j.simpleLogger.defaultLogLevel=error
   mvn --quiet javadoc:javadoc -Psamples.circleci -Dorg.slf4j.simpleLogger.defaultLogLevel=error