diff --git a/packages/Webkul/Tax/src/Helpers/Tax.php b/packages/Webkul/Tax/src/Helpers/Tax.php
index cc10b2baf..e7bd81eee 100644
--- a/packages/Webkul/Tax/src/Helpers/Tax.php
+++ b/packages/Webkul/Tax/src/Helpers/Tax.php
@@ -4,7 +4,7 @@ namespace Webkul\Tax\Helpers;
 
 class Tax
 {
-    private const TAX_PRECISION = 4;
+    public const TAX_PRECISION = 4;
 
     /**
      * Returns an array with tax rates and tax amount
diff --git a/tests/unit.suite.yml b/tests/unit.suite.yml
index 53b2aa210..ba6191f9a 100644
--- a/tests/unit.suite.yml
+++ b/tests/unit.suite.yml
@@ -8,7 +8,7 @@ modules:
     - Asserts
     - Filesystem
     - \Helper\Unit
-    - Laravel5:
+    - Webkul\Core\Helpers\Laravel5Helper:
         environment_file: .env.testing
         run_database_migrations: true
         run_database_seeder: true
diff --git a/tests/unit/Tax/Helpers/TaxCest.php b/tests/unit/Tax/Helpers/TaxCest.php
index 9b8caa20f..5d987aacf 100644
--- a/tests/unit/Tax/Helpers/TaxCest.php
+++ b/tests/unit/Tax/Helpers/TaxCest.php
@@ -2,17 +2,108 @@
 
 namespace Tests\Unit\Tax\Helpers;
 
+use Faker\Factory;
+use Illuminate\Support\Facades\Config;
 use UnitTester;
+use Webkul\Tax\Models\TaxCategory;
+use Webkul\Tax\Models\TaxMap;
+use Webkul\Tax\Models\TaxRate;
+use Cart;
 
 class TaxCest
 {
+    public $scenario;
+
+    public function _before(UnitTester $I)
+    {
+        $faker = Factory::create();
+
+        $country = Config::get('app.default_country');
+
+        $tax1 = $I->have(TaxRate::class, [
+            'country' => $country,
+        ]);
+        $taxCategorie1 = $I->have(TaxCategory::class, []);
+        $I->have(TaxMap::class, [
+            'tax_rate_id'     => $tax1->id,
+            'tax_category_id' => $taxCategorie1->id,
+        ]);
+
+        $tax2 = $I->have(TaxRate::class, [
+            'country' => $country,
+        ]);
+        $taxCategorie2 = $I->have(TaxCategory::class, []);
+        $I->have(TaxMap::class, [
+            'tax_rate_id'     => $tax2->id,
+            'tax_category_id' => $taxCategorie2->id,
+        ]);
+
+        $config1 = [
+            'productInventory' => ['qty' => 100],
+            'attributeValues'  => [
+                'status'          => true,
+                'new'             => 1,
+                'tax_category_id' => $taxCategorie1->id,
+            ],
+        ];
+        $product1 = $I->haveProduct($config1, ['simple']);
+
+        $config2 = [
+            'productInventory' => ['qty' => 100],
+            'attributeValues'  => [
+                'status'          => true,
+                'new'             => 1,
+                'tax_category_id' => $taxCategorie2->id,
+            ],
+        ];
+        $product2 = $I->haveProduct($config2, ['simple']);
+
+        Cart::addProduct($product1->id, [
+            '_token'     => session('_token'),
+            'product_id' => $product1->id,
+            'quantity'   => 11,
+        ]);
+
+        Cart::addProduct($product2->id, [
+            '_token'     => session('_token'),
+            'product_id' => $product2->id,
+            'quantity'   => 7,
+        ]);
+
+
+        $this->scenario = [
+            'object'           => Cart::getCart(),
+            'expectedTaxRates' => [
+                (string)round((float)$tax1->tax_rate, \Webkul\Tax\Helpers\Tax::TAX_PRECISION)
+                => round(11 * $product1->price * $tax1->tax_rate / 100, 4),
+
+                (string)round((float)$tax2->tax_rate, \Webkul\Tax\Helpers\Tax::TAX_PRECISION)
+                => round(7 * $product2->price * $tax2->tax_rate / 100, 4),
+            ],
+            'expectedTaxTotal' =>
+                round(
+                    round(11 * $product1->price * $tax1->tax_rate / 100, 2)
+                    + round(7 * $product2->price * $tax2->tax_rate / 100, 2)
+                    , 2),
+        ];
+    }
+
     public function testGetTaxRatesWithAmount(UnitTester $I)
     {
-        $I->assertTrue(false);
+        $result = $I->executeFunction(\Webkul\Tax\Helpers\Tax::class, 'getTaxRatesWithAmount',
+            [$this->scenario['object'], false]);
+
+        foreach ($result as $taxRate => $taxAmount) {
+            $I->assertTrue(array_key_exists($taxRate, $result));
+            $I->assertEquals($this->scenario['expectedTaxRates'][$taxRate], $taxAmount);
+        }
     }
 
     public function testGetTaxTotal(UnitTester $I)
     {
-        $I->assertTrue(false);
+        $result = $I->executeFunction(\Webkul\Tax\Helpers\Tax::class, 'getTaxTotal',
+            [$this->scenario['object'], false]);
+
+        $I->assertEquals($this->scenario['expectedTaxTotal'], $result);
     }
 }