issue/14056 - Coupon API not working for guest user - adjusted unit tests

Author: mdykas

app/code/Magento/Quote/Test/Unit/Model/CouponManagementTest.php

@@ -47,6 +47,7 @@ protected function setUp()
                 'save',
                 'getShippingAddress',
                 'getCouponCode',
+                'getStoreId',
                 '__wakeup'
             ]);
         $this->quoteAddressMock = $this->createPartialMock(\Magento\Quote\Model\Quote\Address::class, [
@@ -98,6 +99,9 @@ public function testSetWhenCouldNotApplyCoupon()
         $cartId = 33;
         $couponCode = '153a-ABC';
 
+        $this->storeMock->expects($this->any())->method('getId')->will($this->returnValue(1));
+        $this->quoteMock->expects($this->once())->method('getStoreId')->willReturn($this->returnValue(1));
+
         $this->quoteRepositoryMock->expects($this->once())
             ->method('getActive')->with($cartId)->will($this->returnValue($this->quoteMock));
         $this->quoteMock->expects($this->once())->method('getItemsCount')->will($this->returnValue(12));
@@ -125,6 +129,9 @@ public function testSetWhenCouponCodeIsInvalid()
         $cartId = 33;
         $couponCode = '153a-ABC';
 
+        $this->storeMock->expects($this->any())->method('getId')->will($this->returnValue(1));
+        $this->quoteMock->expects($this->once())->method('getStoreId')->willReturn($this->returnValue(1));
+
         $this->quoteRepositoryMock->expects($this->once())
             ->method('getActive')->with($cartId)->will($this->returnValue($this->quoteMock));
         $this->quoteMock->expects($this->once())->method('getItemsCount')->will($this->returnValue(12));
@@ -144,6 +151,9 @@ public function testSet()
         $cartId = 33;
         $couponCode = '153a-ABC';
 
+        $this->storeMock->expects($this->any())->method('getId')->will($this->returnValue(1));
+        $this->quoteMock->expects($this->once())->method('getStoreId')->willReturn($this->returnValue(1));
+
         $this->quoteRepositoryMock->expects($this->once())
             ->method('getActive')->with($cartId)->will($this->returnValue($this->quoteMock));
         $this->quoteMock->expects($this->once())->method('getItemsCount')->will($this->returnValue(12));