added test function handling core of execution and evaluation of out operator tests

test/cdoTestFunctions.test.in

+function runTest #NTEST #CDOTEST CDOCOMMAND TESTCOMMAND
+{
+    RSTAT=0
+    echo "Running test: $NTEST - $CDOTEST"
+
+    echo "$CDOCOMMAND"
+    $CDOCOMMAND
+    test $? -eq 0 || let RSTAT+=1
+
+    echo "$TESTCOMMAND"
+    $TESTCOMMAND
+    test $? -eq 0 || let RSTAT+=1
+
+    test $RSTAT -eq 0 && echo "ok $NTEST - $CDOTEST"
+    test $RSTAT -eq 0 || echo "not ok $NTEST - $CDOTEST"
+}