diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index dcf38551..6d5110f4 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -5,11 +5,22 @@ on:
 
 jobs:
   test:
-    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest, macOS-latest]
+      fail-fast: false
+    runs-on: ${{ matrix.os }}
+
     steps:
     - uses: actions/checkout@v1
+    - uses: actions/setup-node@v1
+      with:
+        node-version: '12.x'
+    - run: npm version
     - run: npm ci
+    - run: npm audit
     - run: npm test
+
     - uses: ./
       with:
         servers: '[{"id": "serverId", "username": "username", "password": "password"}]'
@@ -17,3 +28,4 @@ jobs:
         sonatypeSnapshots: true
 
     - run: cat ~/.m2/settings.xml
+      shell: bash
diff --git a/README.md b/README.md
index f2727d1e..d4828ae5 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,5 @@
 # maven-settings-action
+[![Test Action](https://github.com/s4u/maven-settings-action/workflows/Test%20Action/badge.svg)](https://github.com/s4u/maven-settings-action/actions)
 
 This action setup maven environment for use in action by:
  - create maven setings.xml
diff --git a/index.js b/index.js
index 7cfeb72c..2f9a2183 100644
--- a/index.js
+++ b/index.js
@@ -1,6 +1,7 @@
 const core = require('@actions/core');
 const path = require('path');
 const fs = require('fs');
+const os = require('os');
 const settings = require('./settings');
 
 
@@ -8,10 +9,11 @@ const settings = require('./settings');
 async function run() {
 
   try {
-    const settingsPath = path.join(process.env.HOME, '.m2', 'settings.xml');
-    core.info('Prepare maven setings: ' +  settingsPath);
+    const settingsPath = path.join(os.homedir(), '.m2', 'settings.xml');
 
-    if ( fs.existsSync(settingsPath) ) {
+    core.info('Prepare maven setings: ' + settingsPath);
+
+    if (fs.existsSync(settingsPath)) {
       core.warning('maven settings.xml already exists - skip');
       return;
     }
diff --git a/index.test.js b/index.test.js
index e6076432..3415e3d4 100644
--- a/index.test.js
+++ b/index.test.js
@@ -3,7 +3,7 @@ const cp = require('child_process');
 const path = require('path');
 const fs = require('fs');
 
-const testHomePath = path.join(__dirname, 'temp');
+const testHomePath = fs.mkdtempSync(".m2");
 const settingsPath = path.join(testHomePath, '.m2', 'settings.xml');
 const indexPath = path.join(__dirname, 'index.js');
 
@@ -13,22 +13,21 @@ beforeAll(() => {
     }
 
     process.env['HOME'] = testHomePath;
+    process.env['USERPROFILE'] = testHomePath;
 });
 
 afterEach(() => {
     try {
         fs.unlinkSync(settingsPath);
     } catch (error) {
-        console.error(error.message);
     }
 });
 
 afterAll(() => {
     try {
-        fs.rmdirSync(path.join(testHomePath, ".m2"));
+        fs.rmdirSync(path.dirname(settingsPath));
         fs.rmdirSync(testHomePath);
     } catch (error) {
-        console.error(error.message);
     }
 });
 
diff --git a/package-lock.json b/package-lock.json
index 58f81d6b..9147ca38 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5,9 +5,9 @@
   "requires": true,
   "dependencies": {
     "@actions/core": {
-      "version": "1.1.2",
-      "resolved": "https://registry.npmjs.org/@actions/core/-/core-1.1.2.tgz",
-      "integrity": "sha512-l8Ol2wEzFeuhV1v7LbGB2x8ghXSnmUiSVKVSjsNwgqAU4i5LvGRXpM+kli9gNMkGVudwZYHET4qZ5DTep5Sssw=="
+      "version": "1.1.3",
+      "resolved": "https://registry.npmjs.org/@actions/core/-/core-1.1.3.tgz",
+      "integrity": "sha512-2BIib53Jh4Cfm+1XNuZYYGTeRo8yiWEAUMoliMh1qQGMaqTF4VUlhhcsBylTu4qWmUx45DrY0y0XskimAHSqhw=="
     },
     "@babel/code-frame": {
       "version": "7.5.5",
diff --git a/package.json b/package.json
index 71875689..edaf0977 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,7 @@
   "main": "index.js",
   "scripts": {
     "lint": "eslint index.js settings.js",
-    "test": "eslint index.js settings.js && jest"
+    "test": "eslint index.js settings.js && jest --coverage"
   },
   "repository": {
     "type": "git",
@@ -24,7 +24,7 @@
   },
   "homepage": "https://github.com/s4u/maven-settings-action#readme",
   "dependencies": {
-    "@actions/core": "^1.1.2",
+    "@actions/core": "^1.1.3",
     "xmldom": "^0.1.27",
     "xpath": "0.0.27"
   },
diff --git a/settings.test.js b/settings.test.js
index 6dde1b5d..a8e89715 100644
--- a/settings.test.js
+++ b/settings.test.js
@@ -1,11 +1,16 @@
 
 const DOMParser = require('xmldom').DOMParser;
 const XMLSerializer = require('xmldom').XMLSerializer;
+const fs = require('fs');
+const path = require('path');
 
 const settings = require('./settings');
 
 var xmlTestProfile = undefined;
 
+const testHomePath = fs.mkdtempSync(".m2");
+const settingsPath = path.join(testHomePath, '.m2', 'settings.xml');
+
 beforeEach(() => {
     xmlTestProfile = new DOMParser().parseFromString(`<settings>
         <profiles>
@@ -27,6 +32,28 @@ beforeEach(() => {
 
 });
 
+afterEach(() => {
+
+    for (key in process.env) {
+        if (key.match(/^INPUT_/)) {
+            delete process.env[key];
+        }
+    }
+
+    try {
+        fs.unlinkSync(settingsPath);
+    } catch (error) {
+    }
+});
+
+afterAll(() => {
+    try {
+        fs.rmdirSync(path.dirname(settingsPath));
+        fs.rmdirSync(testHomePath);
+    } catch (error) {
+    }
+});
+
 test('template should be read', () => {
 
     const template = settings.getSettingsTemplate();
@@ -34,6 +61,19 @@ test('template should be read', () => {
     expect(template).toBeDefined();
 });
 
+test('xml should be write', () => {
+
+    if (!fs.existsSync(testHomePath)) {
+        fs.mkdirSync(testHomePath);
+    }
+
+    settings.writeSettings(settingsPath, xmlTestProfile);
+
+    const settingsStatus = fs.lstatSync(settingsPath);
+    expect(settingsStatus.isFile()).toBeTruthy();
+    expect(settingsStatus.size).toBeGreaterThan(0);
+});
+
 test('fillServers do nothing if no params', () => {
 
     const xml = new DOMParser().parseFromString("<servers/>");
@@ -43,7 +83,6 @@ test('fillServers do nothing if no params', () => {
     const xmlStr = new XMLSerializer().serializeToString(xml);
 
     expect(xmlStr).toBe("<servers/>");
-
 });
 
 test('fillServers one server', () => {
@@ -60,7 +99,6 @@ test('fillServers one server', () => {
     expect(xmlStr).toBe("<servers>" +
         "<server><id>id1</id><username>username1</username><password>password1</password></server>" +
         "</servers>");
-
 });
 
 test('fillServers two servers', () => {
@@ -131,3 +169,27 @@ test('fillProperties', () => {
         </profiles>
     </settings>`);
 })
+
+test('fillProperties do nothing if no params', () => {
+
+    settings.fillProperties(xmlTestProfile);
+
+    const xmlStr = new XMLSerializer().serializeToString(xmlTestProfile);
+    expect(xmlStr).toBe(`<settings>
+        <profiles>
+            <profile>
+                <id>_properties_</id>
+                <activation>
+                    <activeByDefault>false</activeByDefault>
+                </activation>
+                <properties/>
+            </profile>
+            <profile>
+                <id>_sonatype-snapshots_</id>
+                <activation>
+                    <activeByDefault>false</activeByDefault>
+                </activation>
+            </profile>
+        </profiles>
+    </settings>`);
+})