enable parallel builds for test and self host tests

Author: swannodette

script/test

@@ -8,7 +8,7 @@ mkdir -p builds/out-adv
 possible=4
 ran=0
 
-bin/cljsc src/test/cljs "{:optimizations :advanced :output-wrapper true :verbose true :compiler-stats true :output-dir \"builds/out-adv\"}" > builds/out-adv/core-advanced-test.js
+bin/cljsc src/test/cljs "{:optimizations :advanced :output-wrapper true :verbose true :compiler-stats true :parallel-build true :output-dir \"builds/out-adv\"}" > builds/out-adv/core-advanced-test.js
 
 if [ "$V8_HOME" = "" ]; then
   echo "V8_HOME not set, skipping V8 tests"

script/test-self-host

@@ -4,7 +4,7 @@
 rm -rf builds/out-self
 mkdir -p builds/out-self
 
-bin/cljsc src/test/self/self_host  "{:optimizations :simple :static-fns true :output-dir \"builds/out-self\" :optimize-constants true :verbose true :compiler-stats true :target :nodejs}" > builds/out-self/core-self-test.js
+bin/cljsc src/test/self/self_host  "{:optimizations :simple :static-fns true :output-dir \"builds/out-self\" :optimize-constants true :verbose true :compiler-stats true :parallel-build true :target :nodejs}" > builds/out-self/core-self-test.js
 
 echo "Testing with Node"
 node builds/out-self/core-self-test.js