-| Is DPDK performance test
-| | [Documentation]
-| | ... | Return TRUE if variable DPDK_TEST exist, otherwise FALSE.
-| | ${ret} | ${tmp}= | Run Keyword And Ignore Error
-| | ... | Variable Should Exist | ${DPDK_TEST}
-| | Return From Keyword If | "${ret}" == "PASS" | ${True}
-| | Return From Keyword | ${False}
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