MAGETWO-95238: Cannot reset customer password from Admin Panel

- fix integration tests

Author: irenelagno

dev/tests/integration/testsuite/Magento/Customer/Controller/Adminhtml/IndexTest.php

@@ -738,7 +738,7 @@ public function testValidateCustomerWithAddressFailure()
     public function testResetPasswordActionNoCustomerId()
     {
         // No customer ID in post, will just get redirected to base
-        $this->getRequest()->setMethod(HttpRequest::METHOD_POST);
+        $this->getRequest()->setMethod(HttpRequest::METHOD_GET);
         $this->dispatch('backend/customer/index/resetPassword');
         $this->assertRedirect($this->stringStartsWith($this->_baseControllerUrl));
     }
@@ -749,7 +749,7 @@ public function testResetPasswordActionNoCustomerId()
     public function testResetPasswordActionBadCustomerId()
     {
         // Bad customer ID in post, will just get redirected to base
-        $this->getRequest()->setMethod(HttpRequest::METHOD_POST);
+        $this->getRequest()->setMethod(HttpRequest::METHOD_GET);
         $this->getRequest()->setPostValue(['customer_id' => '789']);
         $this->dispatch('backend/customer/index/resetPassword');
         $this->assertRedirect($this->stringStartsWith($this->_baseControllerUrl));
@@ -761,7 +761,7 @@ public function testResetPasswordActionBadCustomerId()
     public function testResetPasswordActionSuccess()
     {
         $this->getRequest()->setPostValue(['customer_id' => '1']);
-        $this->getRequest()->setMethod(HttpRequest::METHOD_POST);
+        $this->getRequest()->setMethod(HttpRequest::METHOD_GET);
         $this->dispatch('backend/customer/index/resetPassword');
         $this->assertSessionMessages(
             $this->equalTo(['The customer will receive an email with a link to reset password.']),