Add nodedevxml2xml test

Add a test to check node device XML parsing by first parsing
the XML, then re-formatting as XML and finally comparing the
resulting XML to the original XML.

tests/nodedevschemadata/DVD_GCC_4247N.xml

@@ -13,5 +13,3 @@
     </capability>
   </capability>
 </device>
-
-

tests/nodedevschemadata/computer.xml

@@ -14,5 +14,3 @@
     </firmware>
   </capability>
 </device>
-
-

tests/nodedevschemadata/net_00_13_02_b9_f9_d3.xml

@@ -7,5 +7,3 @@
     <capability type='80211'/>
   </capability>
 </device>
-
-

tests/nodedevschemadata/net_00_15_58_2f_e9_55.xml

@@ -7,5 +7,3 @@
     <capability type='80203'/>
   </capability>
 </device>
-
-

tests/nodedevschemadata/pci_1002_71c4.xml

@@ -10,5 +10,3 @@
     <vendor id='0x1002'>ATI Technologies Inc</vendor>
   </capability>
 </device>
-
-

tests/nodedevschemadata/pci_8086_27c5_scsi_host.xml

@@ -5,5 +5,3 @@
     <host>0</host>
   </capability>
 </device>
-
-

tests/nodedevschemadata/pci_8086_27c5_scsi_host_0.xml

@@ -5,5 +5,3 @@
     <host>1</host>
   </capability>
 </device>
-
-

tests/nodedevschemadata/pci_8086_27c5_scsi_host_scsi_device_lun0.xml

@@ -9,5 +9,3 @@
     <type>disk</type>
   </capability>
 </device>
-
-

tests/nodedevschemadata/pci_8086_27c5_scsi_host_scsi_host.xml

@@ -5,5 +5,3 @@
     <host>0</host>
   </capability>
 </device>
-
-

tests/nodedevschemadata/storage_serial_SATA_HTS721010G9SA00_MPCZ12Y0GNGWSE.xml

@@ -10,5 +10,3 @@
     <size>100030242816</size>
   </capability>
 </device>
-
-

tests/nodedevschemadata/usb_device_1d6b_1_0000_00_1d_0.xml

@@ -8,5 +8,3 @@
     <vendor id='0x1d6b'>Linux Foundation</vendor>
   </capability>
 </device>
-
-

tests/nodedevschemadata/usb_device_1d6b_1_0000_00_1d_0_if0.xml

@@ -8,5 +8,3 @@
     <protocol>0</protocol>
   </capability>
 </device>
-
-