diff --git a/composer.json b/composer.json
index cadf8db..ab4a504 100644
--- a/composer.json
+++ b/composer.json
@@ -23,14 +23,13 @@
     ],
     "require": {
         "php": "^7.1",
-        "guzzlehttp/guzzle": "^7.0",
+        "guzzlehttp/guzzle": "^6.0|^7.0",
         "phpseclib/phpseclib": "^2.0",
         "ext-json": "*",
         "ext-openssl": "*"
     },
     "require-dev": {
-        "phpunit/phpunit": "^7.0",
-        "scrutinizer/ocular": "^1.7"
+        "phpunit/phpunit": "^7.0"        
     },
     "autoload": {
         "psr-4": {
diff --git a/tests/Fixture.php b/tests/Fixture.php
index 2421838..c3e646d 100644
--- a/tests/Fixture.php
+++ b/tests/Fixture.php
@@ -28,15 +28,15 @@ class Fixture
         'input_TransactionReference' => 'odfdferre',
         'input_PurchasedItemsDesc' => 'Test Two Item'
     ];
-    public static $data_b2c = [
-        'input_ReversalAmount' => 12.12,
+    public static $data_reversal = [
+        'input_ReversalAmount' => 1212,
         'input_TransactionID' => 'odfdferre',
         'input_Country' => 'TZN',
         'input_ServiceProviderCode' => '000000',
         'input_ThirdPartyConversationID' => 'asv02e5958774f7ab228d83d0d689761',
     ];
 
-    public static $data_reversal = [
+    public static $data_b2c = [
         'input_Amount' => 5030,
         'input_Country' => 'TZN',
         'input_Currency' => 'TZS',