fix broken test.sh node image replacement logic (#162)

* fix broken test.sh node image replacement logic

This fixes tests for PR #161. The test.sh file did not handle swapping in the node image maintained by meteor for version 14.21.4.

* revert whitespace

* missed a new line

test.sh

@@ -39,7 +39,15 @@ for version in "${meteor_versions[@]}"; do
 
 	cp "${dockerfile}" test.dockerfile
 	do_sed "s|FROM geoffreybooth/meteor-base:.*|FROM geoffreybooth/meteor-base:${version}|" test.dockerfile
-	do_sed "s|FROM node:.*|FROM node:${node_version}-alpine|" test.dockerfile
+
+	if [[ $(get_version_string "${node_version}") -ge $(get_version_string 14.21.4) && $(get_version_string "${node_version}") -lt $(get_version_string 18.0.0) ]]; then
+		echo 'Using Meteor fork of Node Docker image...'
+		do_sed "s|FROM node:.*|FROM meteor/node:${node_version}-alpine3.17|" test.dockerfile
+	else
+		echo 'Using official Node Docker image...'
+		do_sed "s|FROM node:.*|FROM node:${node_version}-alpine|" test.dockerfile
+	fi
+
 	do_sed "s|/app|/test-app|g" test.dockerfile
 
 	cp docker-compose.yml test.docker-compose.yml