ci: test rpm install with yum

.ci/build_packages/tests.sh

@@ -125,13 +125,8 @@ emqx_test(){
             fi
         ;;
         "rpm")
-            if [[ "${ARCH}" == "amd64" && $(rpm -E '%{rhel}') == 7 ]] ; then
-                # EMQX OTP requires openssl11 to have TLS1.3 support
-                yum install -y openssl11
-            fi
-
-            rpm -ivh "${PACKAGE_PATH}/${packagename}"
-            if ! rpm -q emqx | grep -q emqx; then
+            yum install -y "${PACKAGE_PATH}/${packagename}"
+            if ! rpm -q ${EMQX_NAME} | grep -q "${EMQX_NAME}"; then
                 echo "package install error"
                 exit 1
             fi