Add missing test file.

tests/test_shell2.sh

@@ -0,0 +1,23 @@
+#!/bin/bash
+
+PROG="$1"
+TEST=testoutput
+mkdir -p $TEST
+
+$PROG --useconfig=tests/config5 > $TEST/test_output.txt
+
+if [ "$?" == "0" ]
+then
+    INFO=$(cat /tmp/wmbusmeters_meter_shell_test | sed 's/"timestamp":"....-..-..T..:..:..Z"/"timestamp":"1111-11-11T11:11:11Z"/')
+    EXPECTED=$(echo 'TESTING SHELL {"media":"warm water","meter":"supercom587","name":"Vatten","id":"12345678","total_m3":5.548,"timestamp":"1111-11-11T11:11:11Z"}')
+    if [ "$INFO" = "$EXPECTED" ]
+    then
+        echo meter shell OK
+    else
+        echo Failure.
+        exit 1
+    fi
+else
+    echo Failure.
+    exit 1
+fi