Merge pull request #5876 from magento-trigger/MC-35776

[trigger] MC-35776: WsdlGenerationFromDataObjectTest is failed with PHP 7.4.6

Author: zakdma

dev/tests/api-functional/testsuite/Magento/Webapi/WsdlGenerationFromDataObjectTest.php

@@ -116,7 +116,7 @@ protected function _getWsdlContent($wsdlUrl)
             $responseDom->loadXML($responseContent),
             "Valid XML is always expected as a response for WSDL request."
         );
-        return $responseContent;
+        return $responseDom->saveXML();
     }
 
     /**
@@ -207,7 +207,7 @@ protected function _checkComplexTypesDeclaration($wsdlContent)
     <xsd:sequence>
         <xsd:element name="id" minOccurs="1" maxOccurs="1" type="xsd:int">
             <xsd:annotation>
-                <xsd:documentation></xsd:documentation>
+                <xsd:documentation/>
                 <xsd:appinfo xmlns:inf="{$this->_soapUrl}">
                     <inf:min/>
                     <inf:max/>
@@ -231,7 +231,7 @@ protected function _checkComplexTypesDeclaration($wsdlContent)
     <xsd:sequence>
         <xsd:element name="entityId" minOccurs="1" maxOccurs="1" type="xsd:int">
             <xsd:annotation>
-                <xsd:documentation></xsd:documentation>
+                <xsd:documentation/>
                 <xsd:appinfo xmlns:inf="{$this->_soapUrl}">
                     <inf:min/>
                     <inf:max/>
@@ -266,7 +266,7 @@ protected function _checkComplexTypesDeclaration($wsdlContent)
     <xsd:sequence>
         <xsd:element name="result" minOccurs="1" maxOccurs="1" type="tns:TestModule5V2EntityAllSoapAndRest">
             <xsd:annotation>
-                <xsd:documentation></xsd:documentation>
+                <xsd:documentation/>
                 <xsd:appinfo xmlns:inf="{$this->_soapUrl}">
                     <inf:callInfo>
                         <inf:callName>testModule5AllSoapAndRestV2Item</inf:callName>
@@ -290,7 +290,7 @@ protected function _checkComplexTypesDeclaration($wsdlContent)
     <xsd:sequence>
         <xsd:element name="result" minOccurs="1" maxOccurs="1" type="tns:TestModule5V1EntityAllSoapAndRest">
             <xsd:annotation>
-                <xsd:documentation></xsd:documentation>
+                <xsd:documentation/>
                 <xsd:appinfo xmlns:inf="{$this->_soapUrl}">
                     <inf:callInfo>
                         <inf:callName>testModule5AllSoapAndRestV1Item</inf:callName>
@@ -331,7 +331,7 @@ protected function _checkReferencedTypeDeclaration($wsdlContent)
     <xsd:sequence>
         <xsd:element name="price" minOccurs="1" maxOccurs="1" type="xsd:int">
             <xsd:annotation>
-                <xsd:documentation></xsd:documentation>
+                <xsd:documentation/>
                 <xsd:appinfo xmlns:inf="{$this->_soapUrl}">
                     <inf:min/>
                     <inf:max/>
@@ -835,15 +835,15 @@ protected function _checkFaultsComplexTypeSection($wsdlContent)
     <xsd:sequence>
         <xsd:element name="key" minOccurs="1" maxOccurs="1" type="xsd:string">
             <xsd:annotation>
-                <xsd:documentation></xsd:documentation>
+                <xsd:documentation/>
                 <xsd:appinfo xmlns:inf="{$this->_soapUrl}">
                     <inf:maxLength/>
                 </xsd:appinfo>
             </xsd:annotation>
         </xsd:element>
         <xsd:element name="value" minOccurs="1" maxOccurs="1" type="xsd:string">
             <xsd:annotation>
-                <xsd:documentation></xsd:documentation>
+                <xsd:documentation/>
                 <xsd:appinfo xmlns:inf="{$this->_soapUrl}">
                     <inf:maxLength/>
                 </xsd:appinfo>
@@ -865,7 +865,7 @@ protected function _checkFaultsComplexTypeSection($wsdlContent)
     <xsd:sequence>
         <xsd:element name="message" minOccurs="1" maxOccurs="1" type="xsd:string">
             <xsd:annotation>
-                <xsd:documentation></xsd:documentation>
+                <xsd:documentation/>
                 <xsd:appinfo xmlns:inf="{$this->_baseUrl}/soap/{$this->_storeCode}?services=testModule5AllSoapAndRestV2">
                     <inf:maxLength/>
                 </xsd:appinfo>
@@ -888,7 +888,7 @@ protected function _checkFaultsComplexTypeSection($wsdlContent)
     <xsd:sequence>
         <xsd:element name="message" minOccurs="1" maxOccurs="1" type="xsd:string">
             <xsd:annotation>
-                <xsd:documentation></xsd:documentation>
+                <xsd:documentation/>
                 <xsd:appinfo xmlns:inf="{$this->_baseUrl}/soap/{$this->_storeCode}?services=testModule5AllSoapAndRestV1%2CtestModule5AllSoapAndRestV2">
                     <inf:maxLength/>
                 </xsd:appinfo>