Do no test native module

Makefile

@@ -19,6 +19,7 @@ test: test-unit
 
 test-all: jshint test-missing-native test-unit test-integration test-native test-binary
 
+test-all-nonative: jshint test-unit test-integration test-binary
 
 update-npm:
 	@npm i npm --global

package.json

@@ -38,7 +38,7 @@
   "minNativeVersion": "1.7.0",
   "scripts": {
     "changelog": "npm i github-changes && ./node_modules/.bin/github-changes -o brianc -r node-postgres -d pulls -a -v",
-    "test": "make test-all connectionString=postgres://postgres@localhost:5432/postgres"
+    "test": "make test-all-nonative connectionString=postgres://postgres@localhost:$PGPORT/postgres"
   },
   "license": "MIT",
   "engines": {