adjust run.sh so it runs all of the tests

collects/tests/drracket/run.sh

@@ -1,9 +1,16 @@
-#!/bin/sh -x
-gracket module-lang-test.rkt &&
-gracket repl-test.rkt &&
-gracket io.rkt &&
-gracket language-test.rkt &&
-gracket syncheck-test.rkt &&
-gracket teachpack.rkt &&
-gracket save-teaching-lang-file.rkt &&
-gracket test-suite-test.rkt
+#!/bin/sh
+
+## use 
+##   env RACKET=something ./run.sh
+## to use a racket not in the path
+
+files=`ls *.rkt | grep -v info.rkt | grep -v follow-log.rkt`
+
+if [ "$RACKET" == "" ]; then
+  RACKET=racket;
+fi
+
+for file in $files; do
+  echo STARTING $file
+  "$RACKET" $file 
+done