Leave CUSTOM_TARGET as is if custom testcases can't work for rerun

Signed-off-by: Sophia Guo <[email protected]>

Author: sophia-guo

buildenv/jenkins/JenkinsfileBase

@@ -1360,7 +1360,11 @@ def triggerRerunJob () {
 								childParams << string(name: param.key, value: "testList TESTLIST=" + env.FAILED_TESTS)
 							}
 						} else if (param.key == "CUSTOM_TARGET") {
+							if (env.RERUN_TESTCASES) {
 								childParams << string(name: param.key, value: env.RERUN_TESTCASES)
+							} else {
+								childParams << string(name: param.key, value: param.value.toString())
+							}
 						} else if (param.key == "PARALLEL") {
 							childParams << string(name: param.key, value: "None")
 						} else if (param.key == "NUM_MACHINES") {