diff --git a/test/run-versions b/test/run-versions
index bf4b8b8..3459aa5 100755
--- a/test/run-versions
+++ b/test/run-versions
@@ -38,12 +38,14 @@ testPython2_fail() {
 }
 
 testPython3_4() {
-  if [[ $STACK != "cedar-14" ]]; then
-    updateVersion "python3_4" $LATEST_34
-    compile "python3_4"
-    assertCaptured $LATEST_34
-    assertNotCaptured "security update"
+  updateVersion "python3_4" $LATEST_34
+  compile "python3_4"
+  assertCaptured $LATEST_34
+  assertNotCaptured "security update"
+  if [[ $STACK == "cedar-14" ]] || [[ $STACK == "heroku-16" ]]; then
     assertCapturedSuccess
+  else
+    assertCapturedError
   fi
 }
 
@@ -51,7 +53,11 @@ testPython3_4_warn() {
   compile "python3_4_warn"
   assertCaptured "python-3.4.9"
   assertCaptured "security update!"
-  assertCapturedSuccess
+    if [[ $STACK == "cedar-14" ]] || [[ $STACK == "heroku-16" ]]; then
+    assertCapturedSuccess
+  else
+    assertCapturedError
+  fi
 }
 
 testPython3_4_fail() {