test/py: Drop assigning ubman to cons

Now that we have a shorter name, we don't need this sort of thing. Just
use ubman instead.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/test/py/tests/test_vbe_vpl.py b/test/py/tests/test_vbe_vpl.py
index 317a324..f011b03 100644
--- a/test/py/tests/test_vbe_vpl.py
+++ b/test/py/tests/test_vbe_vpl.py
@@ -11,30 +11,29 @@
 @pytest.mark.boardspec('sandbox_vpl')
 @pytest.mark.requiredtool('dtc')
 def test_vbe_vpl(ubman):
-    cons = ubman
-    #cmd = [cons.config.build_dir + fname, '-v']
-    ram = os.path.join(cons.config.build_dir, 'ram.bin')
-    fdt = os.path.join(cons.config.build_dir, 'arch/sandbox/dts/test.dtb')
-    image_fname = os.path.join(cons.config.build_dir, 'image.bin')
+    #cmd = [ubman.config.build_dir + fname, '-v']
+    ram = os.path.join(ubman.config.build_dir, 'ram.bin')
+    fdt = os.path.join(ubman.config.build_dir, 'arch/sandbox/dts/test.dtb')
+    image_fname = os.path.join(ubman.config.build_dir, 'image.bin')
 
     # Enable firmware1 and the mmc that it uses. These are needed for the full
     # VBE flow.
     utils.run_and_log(
-        cons, f'fdtput -t s {fdt} /bootstd/firmware0 status disabled')
+        ubman, f'fdtput -t s {fdt} /bootstd/firmware0 status disabled')
     utils.run_and_log(
-        cons, f'fdtput -t s {fdt} /bootstd/firmware1 status okay')
+        ubman, f'fdtput -t s {fdt} /bootstd/firmware1 status okay')
     utils.run_and_log(
-        cons, f'fdtput -t s {fdt} /mmc3 status okay')
+        ubman, f'fdtput -t s {fdt} /mmc3 status okay')
     utils.run_and_log(
-        cons, f'fdtput -t s {fdt} /mmc3 filename {image_fname}')
+        ubman, f'fdtput -t s {fdt} /mmc3 filename {image_fname}')
 
     # Remove any existing RAM file, so we don't have old data present
     if os.path.exists(ram):
         os.remove(ram)
     flags = ['-p', image_fname, '-w', '-s', 'state.dtb']
-    cons.restart_uboot_with_flags(flags)
+    ubman.restart_uboot_with_flags(flags)
 
     # Make sure that VBE was used in both VPL (to load SPL) and SPL (to load
     # U-Boot
-    output = cons.run_command('vbe state')
+    output = ubman.run_command('vbe state')
     assert output == 'Phases: VPL SPL'