diff --git a/collects/tests/rackunit/standalone.rkt b/collects/tests/rackunit/standalone.rkt
index 00f00f6769..5c096a2266 100644
--- a/collects/tests/rackunit/standalone.rkt
+++ b/collects/tests/rackunit/standalone.rkt
@@ -8,12 +8,14 @@
   (normalize-path (build-path here ".." "..")))
 (define (collect-trim bs)
   (regexp-replace* (regexp-quote (path->bytes collects)) bs #"PLTHOME/collects"))
-  
+
 (define (require&catch path)
   (define out-bs (open-output-bytes))
   (define err-bs (open-output-bytes))
   (parameterize ([current-output-port out-bs]
-                 [current-error-port err-bs])
+                 [current-error-port err-bs]
+                 ;; Don't test context output; it's too fragile.
+                 [error-print-context-length 0])
     (dynamic-require path #f))
   (close-output-port out-bs)
   (close-output-port err-bs)
@@ -29,9 +31,56 @@
 
 (test-file "standalone-check-test.rkt"
            #"Oh HAI!\nI didn't run\n"
-           #"--------------------\nERROR\nOutta here!\n\n === context ===\nPLTHOME/collects/tests/rackunit/standalone-check-test.rkt:40:12: temp7\nPLTHOME/collects/rackunit/private/check.rkt:122:29\nPLTHOME/collects/racket/private/more-scheme.rkt:209:2: call-handled-body\nPLTHOME/collects/rackunit/private/check.rkt:55:0: top-level-check-around\nPLTHOME/collects/rackunit/private/check.rkt:108:21: core50\n\n\n--------------------\n--------------------\nFAILURE\nname:       check\nlocation:   (#<path:PLTHOME/collects/tests/rackunit/standalone-check-test.rkt> 44 0 1344 17)\nexpression: (check = 1 2)\nparams:     (#<procedure:=> 1 2)\nmessage:    0.0\n\nCheck failure\n--------------------\n")
+           #"\
+--------------------
+ERROR
+Outta here!
+
+--------------------
+--------------------
+FAILURE
+name:       check
+location:   (#<path:PLTHOME/collects/tests/rackunit/standalone-check-test.rkt> 44 0 1344 17)
+expression: (check = 1 2)
+params:     (#<procedure:=> 1 2)\nmessage:    0.0
+
+Check failure
+--------------------
+")
 
 (test-file "standalone-test-case-test.rkt"
            #""
-           #"--------------------\nERROR\nFirst Outta here!\n\n === context ===\nPLTHOME/collects/racket/private/more-scheme.rkt:209:2: call-handled-body\n\n\n--------------------\n--------------------\nerror\nERROR\nSecond Outta here!\n\n === context ===\nPLTHOME/collects/racket/private/more-scheme.rkt:209:2: call-handled-body\n\n\n--------------------\n--------------------\nFAILURE\nname:       check-eq?\nlocation:   (#<path:PLTHOME/collects/tests/rackunit/standalone-test-case-test.rkt> 19 12 520 15)\nexpression: (check-eq? 1 2)\nactual:     1\nexpected:   2\n\nCheck failure\n--------------------\n--------------------\nfailure\nFAILURE\nname:       check-eq?\nlocation:   (#<path:PLTHOME/collects/tests/rackunit/standalone-test-case-test.rkt> 20 21 558 15)\nexpression: (check-eq? 1 2)\nactual:     1\nexpected:   2\n\nCheck failure\n--------------------\n")
+           #"\
+--------------------
+ERROR
+First Outta here!
 
+--------------------
+--------------------
+error
+ERROR
+Second Outta here!
+
+--------------------
+--------------------
+FAILURE
+name:       check-eq?
+location:   (#<path:PLTHOME/collects/tests/rackunit/standalone-test-case-test.rkt> 19 12 520 15)
+expression: (check-eq? 1 2)
+actual:     1
+expected:   2
+
+Check failure
+--------------------
+--------------------
+failure
+FAILURE
+name:       check-eq?
+location:   (#<path:PLTHOME/collects/tests/rackunit/standalone-test-case-test.rkt> 20 21 558 15)
+expression: (check-eq? 1 2)
+actual:     1
+expected:   2
+
+Check failure
+--------------------
+")