diff --git a/README.md b/README.md
index 7f7bace..1b94c10 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,10 @@
 # Lighthouse
 
+![Packagist Version](https://img.shields.io/packagist/v/octoper/lighthouse-php)
+![Packagist Downloads](https://img.shields.io/packagist/dm/octoper/lighthouse-php)
+![License](https://img.shields.io/github/license/octoper/lighthouse-php)
+
+
 **This repository is a fork of** [dzava/lighthouse-php](https://github.com/dzava/lighthouse-php) **repository**
 
 This package provides a PHP interface for [Google Lighthouse](https://github.com/GoogleChrome/lighthouse).
diff --git a/tests/Datasets/FileOutputData.php b/tests/Datasets/FileOutputData.php
new file mode 100644
index 0000000..28e998a
--- /dev/null
+++ b/tests/Datasets/FileOutputData.php
@@ -0,0 +1,6 @@
+<?php
+
+dataset('fileOutputData', [
+    ['/tmp/report.json', '{'],
+    ['/tmp/report.html', '<!--'],
+]);
diff --git a/tests/Helpers.php b/tests/Helpers.php
new file mode 100644
index 0000000..7a1a734
--- /dev/null
+++ b/tests/Helpers.php
@@ -0,0 +1,78 @@
+<?php
+
+function assertReportIncludesCategory($report, $expectedCategory)
+{
+    $report = json_decode($report, true);
+    $categories = array_map(function ($category) {
+        return $category['title'];
+    }, $report['categories']);
+
+    if (is_array($expectedCategory)) {
+        sort($expectedCategory);
+        sort($categories);
+        test()->assertArraySubset($expectedCategory, $categories);
+    } else {
+        test()->assertContains($expectedCategory, $categories);
+    }
+}
+
+function assertReportDoesNotIncludeCategory($report, $expectedCategory)
+{
+    $report = json_decode($report, true);
+    $categories = array_map(function ($category) {
+        return $category['title'];
+    }, $report['categories']);
+
+    return test()->assertNotContains($expectedCategory, $categories);
+}
+
+function assertReportContainsHeader($report, $name, $value)
+{
+    $report = json_decode($report, true);
+
+    $headers = $report['configSettings']['extraHeaders'];
+    test()->assertNotNull($headers, 'No extra headers found in report');
+    test()->assertArrayHasKey($name, $headers, "Header '$name' is missing from report. [" . implode($headers, ', ') . ']');
+
+    return test()->assertEquals($value, $headers[$name]);
+}
+
+function removeTempFile($path)
+{
+    if (file_exists($path)) {
+        unlink($path);
+    }
+
+    return test();
+}
+
+function assertFileStartsWith($prefix, $outputPath)
+{
+    test()->assertStringStartsWith(
+        $prefix,
+        file_get_contents($outputPath),
+        "Failed asserting that the file '$outputPath' starts with '$prefix'"
+    );
+
+    return test();
+}
+
+function createLighthouseConfig($categories)
+{
+    if (! is_array($categories)) {
+        $categories = [$categories];
+    }
+
+    $config = tmpfile();
+
+    $r = 'module.exports = ' . json_encode([
+            'extends' => 'lighthouse:default',
+            'settings' => [
+                'onlyCategories' => $categories,
+            ],
+        ]);
+
+    fwrite($config, $r);
+
+    return $config;
+}
\ No newline at end of file
diff --git a/tests/Integration/LighthouseTest.php b/tests/Integration/LighthouseTest.php
index 89586e4..bf462a4 100644
--- a/tests/Integration/LighthouseTest.php
+++ b/tests/Integration/LighthouseTest.php
@@ -7,95 +7,10 @@
     $this->lighthouse = (new Lighthouse())->setLighthousePath('./node_modules/.bin/lighthouse');
 });
 
-function assertReportIncludesCategory($report, $expectedCategory)
-{
-    $report = json_decode($report, true);
-    $categories = array_map(function ($category) {
-        return $category['title'];
-    }, $report['categories']);
-
-    if (is_array($expectedCategory)) {
-        sort($expectedCategory);
-        sort($categories);
-        test()->assertArraySubset($expectedCategory, $categories);
-    } else {
-        test()->assertContains($expectedCategory, $categories);
-    }
-}
-
-function assertReportDoesNotIncludeCategory($report, $expectedCategory)
-{
-    $report = json_decode($report, true);
-    $categories = array_map(function ($category) {
-        return $category['title'];
-    }, $report['categories']);
-
-    return test()->assertNotContains($expectedCategory, $categories);
-}
-
-function assertReportContainsHeader($report, $name, $value)
-{
-    $report = json_decode($report, true);
-
-    $headers = $report['configSettings']['extraHeaders'];
-    test()->assertNotNull($headers, 'No extra headers found in report');
-    test()->assertArrayHasKey($name, $headers, "Header '$name' is missing from report. [" . implode($headers, ', ') . ']');
-
-    return test()->assertEquals($value, $headers[$name]);
-}
-
-function removeTempFile($path)
-{
-    if (file_exists($path)) {
-        unlink($path);
-    }
-
-    return test();
-}
-
-function assertFileStartsWith($prefix, $outputPath)
-{
-    test()->assertStringStartsWith(
-        $prefix,
-        file_get_contents($outputPath),
-        "Failed asserting that the file '$outputPath' starts with '$prefix'"
-    );
-
-    return test();
-}
-
-function fileOutputDataProvider()
-{
-    return [
-        ['/tmp/report.json', '{'],
-        ['/tmp/report.html', '<!--'],
-    ];
-}
-
-function createLighthouseConfig($categories)
-{
-    if (! is_array($categories)) {
-        $categories = [$categories];
-    }
-
-    $config = tmpfile();
-
-    $r = 'module.exports = ' . json_encode([
-            'extends' => 'lighthouse:default',
-            'settings' => [
-                'onlyCategories' => $categories,
-            ],
-        ]);
-
-    fwrite($config, $r);
-
-    return $config;
-}
-
 it('can run only one audit', function () {
     $report = $this->lighthouse
         ->performance()
-        ->audit('https://octoper.me');
+        ->audit('http://example.com');
 
     assertReportIncludesCategory($report, 'Performance');
     assertReportDoesNotIncludeCategory($report, 'Progressive Web App');
@@ -118,21 +33,21 @@ function createLighthouseConfig($categories)
 test('updates the config when a category is added or removed', function () {
     $report = $this->lighthouse
         ->performance()
-        ->audit('https://octoper.me');
+        ->audit('http://example.com');
 
     assertReportIncludesCategory($report, 'Performance');
     assertReportDoesNotIncludeCategory($report, 'Accessibility');
 
     $report = $this->lighthouse
         ->accessibility()
-        ->audit('https://octoper.me');
+        ->audit('http://example.com');
 
     assertReportIncludesCategory($report, 'Performance');
     assertReportIncludesCategory($report, 'Accessibility');
 
     $report = $this->lighthouse
         ->accessibility(false)
-        ->audit('https://octoper.me');
+        ->audit('http://example.com');
 
     assertReportIncludesCategory($report, 'Performance');
     assertReportDoesNotIncludeCategory($report, 'Accessibility');
@@ -146,7 +61,7 @@ function createLighthouseConfig($categories)
         ->withConfig($configPath)
         ->accessibility()
         ->performance(false)
-        ->audit('https://octoper.me');
+        ->audit('http://example.com');
 
     file_put_contents('/tmp/report', $report);
 
@@ -154,7 +69,7 @@ function createLighthouseConfig($categories)
     assertReportDoesNotIncludeCategory($report, 'Accessibility');
 });
 
-test('throws_an_exception_when_the_audit_fails', function () {
+test('throws an exception when the audit fails', function () {
     $url = 'not-a-valid-url';
 
     $this->lighthouse
@@ -162,36 +77,36 @@ function createLighthouseConfig($categories)
         ->audit($url);
 })->throws(AuditFailedException::class);
 
-// test('outputs_to_a_file', function () {
-//     $this->removeTempFile($outputPath);
+test('outputs_to_a_file', function ($outputPath, $content) {
+    removeTempFile($outputPath);
 
-//     $this->lighthouse
-//             ->setOutput($outputPath)
-//             ->seo()
-//             ->audit('http://example.com');
+    $this->lighthouse
+             ->setOutput($outputPath)
+             ->seo()
+             ->audit('http://example.com');
 
-//     $this->assertFileExists($outputPath);
-//     assertFileStartsWith($content, $outputPath);
-// });
+    $this->assertFileExists($outputPath);
+    assertFileStartsWith($content, $outputPath);
+})->with('fileOutputData');
 
-test('outputs_both_json_and_html_reports_at_the_same_time', function () {
+test('outputs both json and html reports at the same time', function () {
     removeTempFile('/tmp/example.report.json');
     removeTempFile('/tmp/example.report.html');
 
     $this->lighthouse
         ->setOutput('/tmp/example', ['json', 'html'])
             ->seo()
-            ->audit('https://octoper.me');
+            ->audit('http://example.com');
 
     assertFileExists('/tmp/example.report.html');
     assertFileExists('/tmp/example.report.json');
 });
 
-test('passes_the_http_headers_to_the_requests', function () {
+test('passes the http headers to the requests', function () {
     $report = $this->lighthouse
             ->setHeaders(['Cookie' => 'monster:blue', 'Authorization' => 'Bearer: ring'])
             ->performance()
-            ->audit('https://octoper.me');
+            ->audit('http://example.com');
 
     assertReportContainsHeader($report, 'Cookie', 'monster:blue');
     assertReportContainsHeader($report, 'Authorization', 'Bearer: ring');