def METHOD_NAME(cls):
    """Initiate the temporal GIS and set the region"""
    os.putenv("GRASS_OVERWRITE", "1")
    tgis.init()
    cls.use_temp_region()
    cls.runModule("g.region", s=0, n=80, w=0, e=120, b=0, t=50, res=10, res3=10)
    cls.runModule(
        "r.mapcalc", expression="a1 = rand(1,10)", flags=["s"], overwrite=True
    )
    cls.runModule(
        "r.mapcalc", expression="a2 = rand(1,10)", flags=["s"], overwrite=True
    )
    cls.runModule(
        "r.mapcalc", expression="a3 = rand(1,10)", flags=["s"], overwrite=True
    )
    cls.runModule(
        "t.create",
        type="strds",
        temporaltype="absolute",
        output="A",
        title="A test",
        description="A test",
        overwrite=True,
    )
    cls.runModule(
        "t.register",
        flags="i",
        type="raster",
        input="A",
        maps="a1,a2,a3",
        start="2001-01-01 00:00:00",
        increment="1 month",
        overwrite=True,
    )