[test] Use node over spidermonkey by default (WebAssembly#1748)

Author: sbc100

test/meta/Makefile

@@ -1,10 +1,10 @@
 SHARED_MEM=false
 
 # SpiderMonkey shell
-JSSHELL=~/mozilla-central/js/src/build-debug/dist/bin/js -e 'const WITH_SHARED_MEMORY=$(SHARED_MEM);' -f common.js
+#JSSHELL=~/mozilla-central/js/src/build-debug/dist/bin/js -e 'const WITH_SHARED_MEMORY=$(SHARED_MEM);' -f common.js
 
 # Node.js
-#JSSHELL=./noderun.sh $(SHARED_MEM)
+JSSHELL=./noderun.sh $(SHARED_MEM)
 
 TARGETDIR=../core