@Test
public void testGetHeader() {

    assertEquals("\nThe regavg tool is used to generate regional average time-series from ARC (L2P, L3U) and SST_cci (L3U, L3P, L4) product files given a time interval and a list of regions. An output NetCDF file will be written for each region.\n" +
            "OPTIONS may be one or more of the following:\n", tool.getHeader());
}