enh: runcase add skip case function

tests/army/tools/runcase.sh

@@ -1,7 +1,16 @@
+#
+# copy this file to tests/army/ folder to running 
+#
 set -e
-count=0 
+count=0
+nskip=1000
 for i in  `find tools/benchmark/basic/ -name "*.py"`
      do printf "\n\n ***** cnt=$count  python3 test.py -f $i  *****\n\n"
+     if [ "$count" -lt "$nskip" ]; then
+        printf "skip $count ... \n"
+        ((count=count+1))
+	continue  # less than nskip, contine
+     fi
      python3 test.py -f $i
      ((count=count+1))
 done
@@ -15,4 +24,4 @@ for i in  `find tools/taosdump/native/ -name "*.py"`
      ((count=count+1))
 done
 
-echo "taosdump/native count=$count \n"
+