diff --git a/.gitignore b/.gitignore
index 3afe5da..f47fd20 100644
--- a/.gitignore
+++ b/.gitignore
@@ -37,4 +37,9 @@ jspm_packages
 .node_repl_history
 
 # We run on TypeScript and PEG.js
-*.js
\ No newline at end of file
+*.js
+
+*.tgz
+package
+package-lock.json
+.DS_Store
\ No newline at end of file
diff --git a/.npmignore b/.npmignore
index 5cccb00..f6e528e 100644
--- a/.npmignore
+++ b/.npmignore
@@ -1,4 +1,9 @@
+*.pegjs
 *.ts
+*.tgz
 !*.d.ts
 tsconfig.json
-.vscode
\ No newline at end of file
+.vscode
+tests
+package
+package-lock.json
diff --git a/.travis.yml b/.travis.yml
index 2197832..85d1b93 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,3 +1,4 @@
 language: node_js
+os: osx
 node_js:
   - "node"
diff --git a/package.json b/package.json
index a9435a2..cc04e1a 100644
--- a/package.json
+++ b/package.json
@@ -4,7 +4,7 @@
   "description": "API to find an iOS mobile provision",
   "main": "index.js",
   "scripts": {
-    "prepublish": "tsc && pegjs parsers/security-find-identity.pegjs && pegjs parsers/security-find-certificate.pegjs",
+    "prepare": "tsc && pegjs parsers/security-find-identity.pegjs && pegjs parsers/security-find-certificate.pegjs",
     "test": "tsc && mocha",
     "watch": "mocha-typescript-watch"
   },
diff --git a/test.ts b/test.ts
index 2c7343d..4146d37 100644
--- a/test.ts
+++ b/test.ts
@@ -29,7 +29,7 @@ function print(result: provision.Result) {
 }
 
 // These run end to end tests and run security tool and depend on the keychain, they will run only on mac. Consider running them during development.
-describe.skip("api", () => {
+describe("api", () => {
     describe("certificates", () => {
         it("list all", () => {
             const result = cert.read();
@@ -219,4 +219,5 @@ describe("provision", function() {
     // This test need to be added in future.
     it("can find profile by app-id, device udid and certificate");
     it("unique filters duplicates");
+    it("can parse a provisioning profile file");
 });