[chore] vcenterreceiver: Updates mockserver responses for better VM R…

…esource Pool attributes (#32448)

**Description:** <Describe what has changed.>
Minor change. VMs (not templates) typically have Resource Pool
attributes associated with them, and the mockserver responses were not
reflecting this for the unit tests. Updated the tests to reflect this.

**Link to tracking Issue:** <Issue number if applicable>
N/A

**Testing:** <Describe what testing was performed and which tests were
added.>
Unit tests updated and still working

**Documentation:** <Describe the documentation added.>
N/A

---------

Co-authored-by: Daniel Jaglowski <jaglows3@gmail.com>

receiver/vcenterreceiver/internal/mockserver/client_mock.go

@@ -192,6 +192,9 @@ func routeRetreiveProperties(t *testing.T, body map[string]any) ([]byte, error)
 		if propSet["pathSet"] == "summary.runtime.host" {
 			return loadResponse("vm-host.xml")
 		}
+		if propSet["pathSet"] == "resourcePool" {
+			return loadResponse("vm-resource-pool.xml")
+		}
 		return loadResponse("vm-properties.xml")
 
 	case (content == "group-v1034" || content == "group-v1001") && contentType == "Folder":

receiver/vcenterreceiver/internal/mockserver/responses/vm-properties.xml

@@ -4,6 +4,10 @@
         <RetrievePropertiesResponse xmlns="urn:vim25">
             <returnval>
                 <obj type="VirtualMachine">vm-6004</obj>
+                <propSet>
+                    <name>resourcePool</name>
+                    <val type="ResourcePool" xsi:type="ManagedObjectReference">resgroup-9</val>
+                </propSet>
                 <propSet>
                     <name>config</name>
                     <val xsi:type="VirtualMachineConfigInfo">

receiver/vcenterreceiver/internal/mockserver/responses/vm-resource-pool.xml

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<soapenv:Envelope xmlns:soapenc="http://schemas.xmlsoap.org/soap/encoding/" xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+    <soapenv:Body>
+        <RetrievePropertiesResponse xmlns="urn:vim25">
+            <returnval>
+                <obj type="VirtualMachine">vm-1040</obj>
+                <propSet>
+                    <name>resourcePool</name>
+                    <val type="ResourcePool" xsi:type="ManagedObjectReference">host-1002</val>
+                </propSet>
+            </returnval>
+        </RetrievePropertiesResponse>
+    </soapenv:Body>
+</soapenv:Envelope>

receiver/vcenterreceiver/testdata/metrics/expected.yaml

@@ -2636,6 +2636,12 @@ resourceMetrics:
         - key: vcenter.vm.name
           value:
             stringValue: CentOS 7
+        - key: vcenter.resource_pool.name
+          value:
+            stringValue: Resources
+        - key: vcenter.resource_pool.inventory_path
+          value:
+            stringValue: /Datacenter/host/Cluster/Resources
     scopeMetrics:
       - metrics:
           - description: The amount of CPU used by the VM.