Need to Change $Euid Value to Non-Zero in the Bash Shell

I have a script(test1.sh) like the below and i need to run it as root because As a prerequisites, we need to install a couple of packages when it enters into this script, value $EUID should be non-zero, Coul you help me to change this $EUID value

test1.sh

#!/usr/bin/env bash


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    if [[ $EUID -eq 0 ]]; then
       echo "This script must be run as nonroot user. Otherwise, couple of test cases will fail."
       exit 1
    fi

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Thank you