diff --git a/tests/integration/Core/Tester.php b/tests/integration/Core/Tester.php
index 33975db81a..d0348ee98b 100644
--- a/tests/integration/Core/Tester.php
+++ b/tests/integration/Core/Tester.php
@@ -145,6 +145,11 @@ class Tester
     protected function saveTestConfigData($optionName, $data)
     {
         $configData = $this->getTestConfigData();
+
+        if ($configData[$optionName] === $data) {
+            return true;
+        }
+
         $configData[$optionName] = $data;
 
         $fileManager = new \Espo\Core\Utils\File\Manager();
@@ -230,9 +235,13 @@ class Tester
     protected function install()
     {
         $fileManager = new \Espo\Core\Utils\File\Manager();
+        $configData = $this->getTestConfigData();
 
         $latestEspoDir = Utils::getLatestBuildedPath($this->buildedPath);
-        $configData = $this->getTestConfigData();
+
+        if (empty($latestEspoDir)) {
+            die("EspoCRM build is not found. Please run \"grunt\" in your terminal.\n");
+        }
 
         if (!isset($configData['siteUrl'])) {
             $mainConfigData = include('data/config.php');
@@ -286,11 +295,19 @@ class Tester
     {
         $configData = $this->getTestConfigData();
 
-        $fullReset = false;
+        $fullReset = true;
+
+        if (file_exists($latestEspoDir . '/application')) {
+            $modifiedTime = filemtime($latestEspoDir . '/application');
+
+            if (
+                !$this->getParam('fullReset') &&
+                isset($configData['lastModifiedTime']) &&
+                $configData['lastModifiedTime'] == $modifiedTime
+            ) {
+                $fullReset = false;
+            }
 
-        $modifiedTime = filemtime($latestEspoDir . '/application');
-        if ($this->getParam('fullReset') || !isset($configData['lastModifiedTime']) || $configData['lastModifiedTime'] != $modifiedTime) {
-            $fullReset = true;
             $this->saveTestConfigData('lastModifiedTime', $modifiedTime);
         }
 
diff --git a/tests/integration/Core/Utils.php b/tests/integration/Core/Utils.php
index 84884b417c..09e7b9c347 100644
--- a/tests/integration/Core/Utils.php
+++ b/tests/integration/Core/Utils.php
@@ -46,7 +46,7 @@ class Utils
         while ($folderName = $buildDir->read()) {
             if ($folderName === '.'|| $folderName === '..' || empty($folderName)) continue;
 
-            $pattern = '/^EspoCRM-([0-9]+)\.([0-9]+)(?:\.([0-9]+))?(?:-((a|alpha|b|beta|beta\.|pre|rc)[0-9]+)?)?$/';
+            $pattern = '/^EspoCRM-([0-9]+)\.([0-9]+)(?:\.([0-9]+))?(?:-((a|alpha|b|beta|pre|rc)(\.[0-9]+)?)?)?$/';
 
             if (preg_match($pattern, $folderName)) {
                 $archives[] = $folderName;