Fix the test for doing nothing for CtrlPFunky buffers

test/test_should_do_nothing_conditions.vader

@@ -1,7 +1,20 @@
 Before:
   Save &l:statusline
 
+  let b:funky_command_created = 0
+
+  " We will test for the existence of this command, so create one if needed.
+  if !exists(':CtrlPFunky')
+    command CtrlPFunky echo
+    let b:funky_command_created = 1
+  endif
+
 After:
+  if b:funky_command_created
+    delcommand CtrlPFunky
+    let b:funky_command_created = 0
+  endif
+
   Restore
 
 Execute(ALE shouldn't do much of anything for ctrlp-funky buffers):