test: replace findbugs with spotbugs [DHIS2-7979] (#7684)
test: replace findbugs with spotbugs [DHIS2-7979] (#7684)


msf-oca-his/dhis2-core,dhis2/dhis2-core,msf-oca-his/dhis2-core,dhis2/dhis2-core,msf-oca-his/dhis2-core,hispindia/dhis2-Core,msf-oca-his/dhis2-core,dhis2/dhis2-core,hispindia/dhis2-Core,dhis2/dhis2-core,hispindia/dhis2-Core,hispindia/dhis2-Core,dhis2/dhis2-core,msf-oca-his/dhis2-core,hispindia/dhis2-Core