call travis CI with --skip_drc

.travisCI/runPrecheck.sh

diff --git a/.travisCI/runPrecheck.sh b/.travisCI/runPrecheck.sh
index 226360e..ecf94de 100644
--- a/.travisCI/runPrecheck.sh
+++ b/.travisCI/runPrecheck.sh
@@ -14,11 +14,11 @@
 # limitations under the License.
 export TARGET_PATH=$(pwd)
 cd open_mpw_precheck
-docker run -v $(pwd):/usr/local/bin -v $TARGET_PATH:$TARGET_PATH -u $(id -u $USER):$(id -g $USER) open_mpw_prechecker:latest bash -c "python3 open_mpw_prechecker.py -t $TARGET_PATH"
+docker run -v $(pwd):/usr/local/bin -v $TARGET_PATH:$TARGET_PATH -u $(id -u $USER):$(id -g $USER) open_mpw_prechecker:latest bash -c "python3 open_mpw_prechecker.py --skip_drc -t $TARGET_PATH"
 output=$TARGET_PATH/checks/full_log.log
 
-cnt=$(grep -c -i "DRC violations" $output)
+cnt=$(grep -c -i "All Checks PASSED" $output)
 if ! [[ $cnt ]]; then cnt=0; fi
 
-if [[ $cnt -eq 2 ]]; then exit 0; fi
+if [[ $cnt -eq 1 ]]; then exit 0; fi
 exit 2