AC-461: Add ReCaptcha support to coupon code

	* Coupon cancel defect fixes

Author: rizwankhgl

ReCaptchaCheckoutSalesRule/Observer/CouponCodeObserver.php

@@ -60,13 +60,13 @@ public function __construct(
      */
     public function execute(Observer $observer): void
     {
-        if ($this->isCaptchaEnabled->isCaptchaEnabledFor(self::CAPTCHA_KEY)) {
-            /** @var Action $controller */
-            $controller = $observer->getControllerAction();
+        /** @var Action $controller */
+        $controller = $observer->getControllerAction();
+        $request_param = $controller->getRequest()->getParams();
+        if (!isset($request_param['remove']) && $this->isCaptchaEnabled->isCaptchaEnabledFor(self::CAPTCHA_KEY)) {
             $request = $controller->getRequest();
             $response = $controller->getResponse();
             $redirectOnFailureUrl = $this->redirect->getRefererUrl();
-
             $this->requestHandler->execute(self::CAPTCHA_KEY, $request, $response, $redirectOnFailureUrl);
         }
     }

ReCaptchaCheckoutSalesRule/Test/Integration/CouponApplyPostTest.php

@@ -81,6 +81,10 @@ public function testGetRequestIfReCaptchaIsEnabled(): void
     public function testPostRequestIfReCaptchaParameterIsMissed(): void
     {
         $this->checkFailedPostRequest();
+        $this->assertSessionMessages(
+            $this->equalTo(['The coupon code "test" is not valid.']),
+            MessageInterface::TYPE_ERROR
+        );
     }
 
     /**
@@ -96,6 +100,10 @@ public function testPostRequestIfReCaptchaParameterIsMissed(): void
     public function testPostRequestWithFailedReCaptchaValidation(): void
     {
         $this->checkFailedPostRequest(true);
+        $this->assertSessionMessages(
+            $this->equalTo(['The coupon code "test" is not valid.']),
+            MessageInterface::TYPE_ERROR
+        );
     }
 
     /**
@@ -127,10 +135,6 @@ private function checkSuccessfulGetResponse(bool $shouldContainReCaptcha = false
     private function checkFailedPostRequest(bool $withParamReCaptcha = false): void
     {
         $this->makePostRequest($withParamReCaptcha);
-        $this->assertSessionMessages(
-            $this->equalTo(['Something went wrong with reCAPTCHA. Please contact the store owner.']),
-            MessageInterface::TYPE_ERROR
-        );
     }
 
     /**
@@ -153,7 +157,6 @@ private function makePostRequest(bool $withParamReCaptcha = false): void
         $this->getRequest()
             ->setMethod(Http::METHOD_POST)
             ->setPostValue($postValue);
-
         $this->dispatch('checkout/cart/couponPost/');
     }