Properly used test skipping in OGRInspectTest TestCase

        # complains about permissions, and SpatiaLite/Oracle are

        # insanely difficult to get support compiled in for in GDAL.

        if not connections['default'].ops.postgis:

            return

            self.skipTest("This database does not support 'ogrinspect'ion")

        # Getting the database identifier used by OGR, if None returned

        # GDAL does not have the support compiled in.

        ogr_db = get_ogr_db_string()

        if not ogr_db:

            return

            self.skipTest("Your GDAL installation does not support PostGIS databases")

        # writing shapefules via GDAL currently does not support writing OGRTime

        # Writing shapefiles via GDAL currently does not support writing OGRTime

        # fields, so we need to actually use a database

        model_def = ogrinspect(ogr_db, 'Measurement',

                               layer_key=AllOGRFields._meta.db_table,