diff --git a/bld.sh b/bld.sh
index 18c25eab0..2a9d4d797 100755
--- a/bld.sh
+++ b/bld.sh
@@ -69,9 +69,4 @@ node ./tiddlywiki.js \
 
 # Fifth, run the test edition to run the node.js tests and to generate test.html for tests in the browser
 
-node ./tiddlywiki.js \
-	./editions/test \
-	--verbose \
-	--savetiddler $:/core/templates/tiddlywiki5.template.html $TW5_BUILD_OUTPUT/test.html text/plain \
-	|| exit 1
-
+./test.sh
diff --git a/test.sh b/test.sh
new file mode 100755
index 000000000..cf168ffe9
--- /dev/null
+++ b/test.sh
@@ -0,0 +1,25 @@
+#!/bin/bash
+
+# test TiddlyWiki5 for five.tiddlywiki.com
+
+# Set up the build output directory
+
+if [  -z "$TW5_BUILD_OUTPUT" ]; then
+    TW5_BUILD_OUTPUT=../jermolene.github.com
+fi
+
+if [  ! -d "$TW5_BUILD_OUTPUT" ]; then
+    echo 'A valid TW5_BUILD_OUTPUT environment variable must be set'
+    exit 1
+fi
+
+echo "Using TW5_BUILD_OUTPUT as [$TW5_BUILD_OUTPUT]"
+
+# Run the test edition to run the node.js tests and to generate test.html for tests in the browser
+
+node ./tiddlywiki.js \
+	./editions/test \
+	--verbose \
+	--savetiddler $:/core/templates/tiddlywiki5.template.html $TW5_BUILD_OUTPUT/test.html text/plain \
+	|| exit 1
+