adapt PIF files in testdata to new schema

VectoCore/VectoCoreTest/TestData/Integration/Buses/FactorMethod/primary_heavyBus group42_SmartPS.RSLT_PIF.xml

-<?xml version="1.0" encoding="utf-8"?>
-<pif:VectoOutputPrimaryVehicle xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="urn:tugraz:ivt:VectoAPI:DeclarationOutput:PrimaryVehicleInformation:HeavyBus:v0.1" xmlns:pif="urn:tugraz:ivt:VectoAPI:DeclarationOutput:PrimaryVehicleInformation" xmlns:di="http://www.w3.org/2000/09/xmldsig#" xsi:schemaLocation="urn:tugraz:ivt:VectoAPI:DeclarationOutput:PrimaryVehicleInformation https://webgate.ec.europa.eu/CITnet/svn/VECTO/trunk/Share/XML/XSD//DEV/VectoOutputPrimaryVehicleInformation.xsd">
+<?xml version="1.0" encoding="utf-8"?>
+<pif:VectoOutputPrimaryVehicle xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="urn:tugraz:ivt:VectoAPI:DeclarationOutput:PrimaryVehicleInformation:HeavyBus:v0.1" xmlns:pif="urn:tugraz:ivt:VectoAPI:DeclarationOutput:PrimaryVehicleInformation" xmlns:di="http://www.w3.org/2000/09/xmldsig#" xsi:schemaLocation="urn:tugraz:ivt:VectoAPI:DeclarationOutput:PrimaryVehicleInformation E:\QUAM\Workspace\VECTO_DEV_Buses\VectoCore\VectoCore\Resources\XSD/VectoOutputPrimaryVehicleInformation.xsd">
   <pif:Data xsi:type="PrimaryVehicleHeavyBusDataType" id="PIF-1a5c4fd556f14ec8ac23">
     <Vehicle xsi:type="VehiclePIFType">
       <ManufacturerPrimaryVehicle>Generic Truck Manufacturer</ManufacturerPrimaryVehicle>
@@ -255,7 +255,6 @@
       </Components>
     </Vehicle>
     <InputDataSignature>
-      
         <di:Reference URI="#VEH-PrimaryBus_SmartPS">
           <di:Transforms>
             <di:Transform Algorithm="urn:vecto:xml:2017:canonicalization" />
@@ -264,7 +263,6 @@
           <di:DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256" />
           <di:DigestValue>KyEUoR+pb/fnqRuLFC53Ft+RhDf+ABAdd1xxsMwH7io=</di:DigestValue>
         </di:Reference>
-      
     </InputDataSignature>
     <ManufacturerRecordSignature>
       <di:Reference URI="#RESULT-bfe32d82bc964c108ed0">

VectoCore/VectoCoreTest/TestData/XML/XMLReaderDeclaration/SchemaVersion2.6_Buses/PIF-heavyBus-sample.xml

@@ -245,7 +245,7 @@ xsi:schemaLocation="urn:tugraz:ivt:VectoAPI:PrimaryVehicleInformation E:\QUAM\Wo
 				</Auxiliaries>
 			</Components>
 		</Vehicle>
-		<ResultDataSignature>
+		<InputDataSignature>
 			<di:Reference URI="#MRF-VEH-1234567890">
 				<di:Transforms>
 					<di:Transform Algorithm="urn:vecto:xml:2017:canonicalization"/>
@@ -254,7 +254,17 @@ xsi:schemaLocation="urn:tugraz:ivt:VectoAPI:PrimaryVehicleInformation E:\QUAM\Wo
 				<di:DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"/>
 				<di:DigestValue>4TkUGQTX8tevHOU9Cj9uyCFuI/aqcEYlo/gyVjVQmv0=</di:DigestValue>
 			</di:Reference>
-		</ResultDataSignature>
+		</InputDataSignature>
+				<ManufacturerRecordSignature>
+			<di:Reference URI="#MRF-VEH-1234567890">
+				<di:Transforms>
+					<di:Transform Algorithm="urn:vecto:xml:2017:canonicalization"/>
+					<di:Transform Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#"/>
+				</di:Transforms>
+				<di:DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"/>
+				<di:DigestValue>4TkUGQTX8tevHOU9Cj9uyCFuI/aqcEYlo/gyVjVQmv0=</di:DigestValue>
+			</di:Reference>
+		</ManufacturerRecordSignature>
 		<Results>
 			<Status>success</Status>
 			<Result status="success">