cfg: Drop all references to a base data directory

Instead of referencing /var/tmp/virt_test in the cartesian
config files, let's use relative paths in all references
to disk images and other data that goes into the data
dir.
Signed-off-by: NLucas Meneghel Rodrigues <lmr@redhat.com>

kvm/cfg/build.cfg.sample

@@ -33,7 +33,7 @@ variants:
         git_repo_guest_kernel_build_image  = arch/x86/boot/bzImage
         # Should be same as the kernel variable defined in guest-os.cfg. Which is
         # used to boot the guest.
-        git_repo_guest_kernel_kernel_path = /var/tmp/virt_test/images/bzImage
+        git_repo_guest_kernel_kernel_path = images/bzImage
 
         # QEMU installation from a GIT repo
         git_repo_qemu_uri = git://git.qemu.org/qemu.git

kvm/cfg/tests-shared.cfg.sample

@@ -26,17 +26,6 @@ other_tests_dirs = ""
 # As for the defaults:
 # * qemu and qemu-img are expected to be found under /usr/bin/qemu-kvm and
 #   /usr/bin/qemu-img respectively.
-# * All image files are expected under /var/tmp/virt_test/images/
-# * All install iso files are expected under /var/tmp/virt_test/isos/
-# * The parameters cdrom_unattended, floppy, kernel and initrd are generated
-#   by KVM autotest, so remember to put them under a writable location
-#   (for example, the cdrom share can be read only)
-image_name(_.*)? ?<= /var/tmp/virt_test/images/
-cdrom(_.*)? ?<= /var/tmp/virt_test/
-floppy(_.*)? ?<= /var/tmp/virt_test/
-Linux..unattended_install:
-    kernel ?<= /var/tmp/virt_test/
-    initrd ?<= /var/tmp/virt_test/
 
 # You may provide information about the DTM server for WHQL tests here:
 #whql:

kvm/cfg/tests-spice.cfg.sample

@@ -142,7 +142,7 @@ variants:
         qemu_binary = /usr/libexec/qemu-kvm
         qemu_img_binary = /usr/bin/qemu-img
         qemu_io_binary = /usr/bin/qemu-io
-        image_name = /var/tmp/virt_test/images/rhel63-64_client
+        image_name = images/rhel63-64_client
         only qcow2
         only rtl8139
         only ide