[rllib] Silent tests (#4151)

python/ray/rllib/test/run_silent.sh

@@ -0,0 +1,21 @@
+#!/bin/bash
+
+TMPFILE=`mktemp`
+DIRECTORY=`dirname $0`
+SCRIPT=$1
+shift
+
+if [ -x $DIRECTORY/../$SCRIPT ]; then
+    $DIRECTORY/../$SCRIPT "$@" >$TMPFILE 2>&1
+else
+    python $DIRECTORY/../$SCRIPT "$@" >$TMPFILE 2>&1
+fi
+
+CODE=$?
+if [ $CODE != 0 ]; then
+    cat $TMPFILE
+    echo "FAILED $CODE"
+    exit $CODE
+fi
+
+exit 0