Stop using car models that actually exist

Apparently I am good at picking names which already exist either from
sheer luck or something subconscious. Change the model of the car in the
CapTP away from that of a real car model.

goblins/ocapn/captp-test.rkt

@@ -601,12 +601,12 @@
     (let ([fork-factory-np (a-run (spawn ^kw-car-factory-np "fork"))])
       (m1-run ($ m1-mycapn 'register fork-factory-np 'fake))))
   (define fork-factory-np-vow (m2-run (<- m2-mycapn 'enliven fork-factory-np-sref)))
-  (<-np fork-factory-np-vow "expadition" #:color "blue" #:noise "brum"))
+  (<-np fork-factory-np-vow "exposition" #:color "blue" #:noise "brum"))
 
 (b-run
  (match (sync/timeout 0.5 result-ch)
-   [`(automobile ,red-expadition-vow)
-    (on (<- red-expadition-vow)
+   [`(automobile ,red-exposition-vow)
+    (on (<- red-exposition-vow)
         (lambda (noise)
           (async-channel-put result-ch `(ok ,noise))))]
    [_ #f]))
@@ -614,4 +614,4 @@
 (test-equal?
  "Sending keyword arguments over CapTP with <-np"
  (sync/timeout 0.5 result-ch)
- '(ok "a blue fork expadition goes brum!"))
+ '(ok "a blue fork exposition goes brum!"))