PP-271: Include contracts/test to allow the test execution (#42)

* fix(pub): add contracts/test to allow the tests execution
* 0.0.2-alpha.6
* fix: don't ignore the test folder and make its declaration explicit

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@rsksmart/rif-relay-contracts",
-  "version": "0.0.2-alpha.4",
+  "version": "0.0.2-alpha.6",
   "description": "This project contains all the contracts needed for the rif relay system.",
   "main": "dist/index.js",
   "private": false,
@@ -26,8 +26,8 @@
     "ignore": [
       "!dist",
       "!build",
+      "!test",
       "src",
-      "test",
       ".github"
     ]
   },