!15248 Fix shellcheck warnings for cache shell scripts

From: @lixiachen
Reviewed-by: @pandoublefeng,@robingrosman
Signed-off-by: @robingrosman

tests/ut/python/cachetests/cachetest.sh

@@ -15,7 +15,7 @@
 # ============================================================================
 
 # This script is the driver of the individual test scenarios
-CURRPATH=$(cd "$(dirname $0)"; pwd)
+CURRPATH=$(cd "$(dirname $0)" || exit; pwd)
 
 echo "----------------------------------------------"
 echo "Invalid syntax and cache_admin failure testing"

tests/ut/python/cachetests/cachetest_cpp.sh

@@ -47,7 +47,7 @@ HandleRcExit $? 1 1
 export SESSION_ID=$session_id
 
 test_count=$(($test_count+1))
-cd ${UT_TEST_DIR} 
+cd ${UT_TEST_DIR} || exit
 cmd="${UT_TEST_DIR}/ut_tests"
 echo "Test ${test_count}: ${cmd}"
 MsgEnter "Run test ${test_count}"
@@ -62,7 +62,7 @@ fi
 echo
 HandleRcExit $rc 1 0
 
-cd ${CURRPATH}
+cd ${CURRPATH} || exit
 
 StopServer
 HandleRcExit $? 1 0

tests/ut/python/cachetests/cachetest_lib.sh

@@ -18,9 +18,9 @@
 # test scenarios for cache op testing.
 
 # Set any path variables here
-CURRPATH=$(cd "$(dirname $0)"; pwd)
-TESTPATH=$(cd "${CURRPATH}/../dataset"; pwd)
-PROJECT_PATH=$(cd "${CURRPATH}/../../../../"; pwd)
+CURRPATH=$(cd "$(dirname $0)" || exit; pwd)
+TESTPATH=$(cd "${CURRPATH}/../dataset" || exit; pwd)
+PROJECT_PATH=$(cd "${CURRPATH}/../../../../" || exit; pwd)
 
 if [ "x${BUILD_PATH}" == "x" ]; then
    BUILD_PATH=${PROJECT_PATH}/build
@@ -202,13 +202,13 @@ PytestCmd()
    if [ ${rc} -ne 0 ]; then
       MsgFail "FAILED"
       MsgError "pytest call had failure!" "${rc}" "${result}"
-      cd ${CURRPATH}
+      cd ${CURRPATH} || exit
       return 1
    else
       MsgOk "OK"
    fi
    echo
-   cd ${CURRPATH}
+   cd ${CURRPATH} || exit
    return 0
 }