#!/usr/bin/env python

import os, sys

from django.conf import settings


if not settings.configured:
    from django import VERSION
    settings_dict = dict(
        INSTALLED_APPS=(
            'django.contrib.contenttypes',
            'model_utils',
            'model_utils.tests',
            ),
        )
    if VERSION >= (1, 2):
        settings_dict["DATABASES"] = {
            "default": {
                "ENGINE": "django.db.backends.sqlite3"
                }}
    else:
        settings_dict["DATABASE_ENGINE"] = "sqlite3"

    settings.configure(**settings_dict)


def runtests(*test_args):
    if not test_args:
        test_args = ['tests']

    parent = os.path.dirname(os.path.abspath(__file__))
    sys.path.insert(0, parent)

    try:
        from django.test.simple import DjangoTestSuiteRunner
        def run_tests(test_args, verbosity, interactive):
            runner = DjangoTestSuiteRunner(
                verbosity=verbosity, interactive=interactive, failfast=False)
            return runner.run_tests(test_args)
    except ImportError:
        # for Django versions that don't have DjangoTestSuiteRunner
        from django.test.simple import run_tests
    failures = run_tests(test_args, verbosity=1, interactive=True)
    sys.exit(failures)


if __name__ == '__main__':
    runtests()

#!/usr/bin/env python

import os, sys

from django.conf import settings


if not settings.configured:
    settings_dict = dict(
        INSTALLED_APPS=(
            'django.contrib.contenttypes',
            'model_utils',
            'model_utils.tests',
            ),
        DATABASES={
            "default": {
                "ENGINE": "django.db.backends.sqlite3"
                }
            },
        )

    settings.configure(**settings_dict)


def runtests(*test_args):
    if not test_args:
        test_args = ['tests']

    parent = os.path.dirname(os.path.abspath(__file__))
    sys.path.insert(0, parent)

    try:
        from django.test.simple import DjangoTestSuiteRunner
        def run_tests(test_args, verbosity, interactive):
            runner = DjangoTestSuiteRunner(
                verbosity=verbosity, interactive=interactive, failfast=False)
            return runner.run_tests(test_args)
    except ImportError:
        # for Django versions that don't have DjangoTestSuiteRunner
        from django.test.simple import run_tests
    failures = run_tests(test_args, verbosity=1, interactive=True)
    sys.exit(failures)


if __name__ == '__main__':
    runtests()

Remove pre-1.2 test settings.