Change to precise. (#1106)
Change to precise. (#1106)

* Change to precise.

* Enable tests for API.

* Re-enable tests for web module.

vietnguyen/dhis2-core,jason-p-pickering/dhis2-core,jason-p-pickering/dhis2-core,jason-p-pickering/dhis2-core,dhis2/dhis2-core,jason-p-pickering/dhis2-core,dhis2/dhis2-core,dhis2/dhis2-core,msf-oca-his/dhis-core,hispindia/dhis2-Core,msf-oca-his/dhis2-core,dhis2/dhis2-core,msf-oca-his/dhis-core,vietnguyen/dhis2-core,vietnguyen/dhis2-core,msf-oca-his/dhis-core,vietnguyen/dhis2-core,hispindia/dhis2-Core,msf-oca-his/dhis2-core,msf-oca-his/dhis-core,msf-oca-his/dhis2-core,jason-p-pickering/dhis2-core,dhis2/dhis2-core,hispindia/dhis2-Core,hispindia/dhis2-Core,hispindia/dhis2-Core,msf-oca-his/dhis2-core,vietnguyen/dhis2-core,msf-oca-his/dhis2-core,msf-oca-his/dhis-core