graphQl-309: fixed request type in tests

Author: Vitaliy Boyko

dev/tests/api-functional/testsuite/Magento/GraphQl/Quote/Customer/SetOfflinePaymentMethodOnCartTest.php

@@ -71,7 +71,7 @@ public function testSetPurchaseOrderPaymentMethodOnCartWithSimpleProduct()
   }
 }
 QUERY;
-        $response = $this->graphQlQuery($query, [], '', $this->getHeaderMap());
+        $response = $this->graphQlMutation($query, [], '', $this->getHeaderMap());
 
         self::assertArrayHasKey('setPaymentMethodOnCart', $response);
         self::assertArrayHasKey('cart', $response['setPaymentMethodOnCart']);
@@ -112,7 +112,7 @@ public function testSetPurchaseOrderPaymentMethodOnCartWithoutPurchaseOrderNumbe
   }
 }
 QUERY;
-        $this->graphQlQuery($query, [], '', $this->getHeaderMap());
+        $this->graphQlMutation($query, [], '', $this->getHeaderMap());
     }
 
     /**
@@ -149,7 +149,7 @@ public function testSetDisabledPurchaseOrderPaymentMethodOnCart()
   }
 }
 QUERY;
-        $this->graphQlQuery($query, [], '', $this->getHeaderMap());
+        $this->graphQlMutation($query, [], '', $this->getHeaderMap());
     }
 
     /**

dev/tests/api-functional/testsuite/Magento/GraphQl/Quote/Guest/SetOfflinePaymentMethodOnCartTest.php

@@ -63,7 +63,7 @@ public function testSetPurchaseOrderPaymentMethodOnCartWithSimpleProduct()
   }
 }
 QUERY;
-        $response = $this->graphQlQuery($query);
+        $response = $this->graphQlMutation($query);
 
         self::assertArrayHasKey('setPaymentMethodOnCart', $response);
         self::assertArrayHasKey('cart', $response['setPaymentMethodOnCart']);
@@ -103,7 +103,7 @@ public function testSetPurchaseOrderPaymentMethodOnCartWithoutPurchaseOrderNumbe
   }
 }
 QUERY;
-        $this->graphQlQuery($query);
+        $this->graphQlMutation($query);
     }
 
     /**
@@ -139,6 +139,6 @@ public function testSetDisabledPurchaseOrderPaymentMethodOnCart()
   }
 }
 QUERY;
-        $this->graphQlQuery($query);
+        $this->graphQlMutation($query);
     }
 }