def METHOD_NAME(self):
    """Create input data for transient groundwater flow computation"""
    # Use always the current mapset as temporal database
    self.runModule("r3.mapcalc", expression="a1 = 100", overwrite=True)
    self.runModule("r3.mapcalc", expression="a2 = 200", overwrite=True)
    self.runModule("r3.mapcalc", expression="a3 = 300", overwrite=True)
    self.runModule("r3.mapcalc", expression="a4 = 400", overwrite=True)
    self.runModule("r3.mapcalc", expression="a5 = 500", overwrite=True)
    self.runModule("r3.mapcalc", expression="a6 = 600", overwrite=True)
    self.runModule(
        "t.create",
        type="str3ds",
        temporaltype="absolute",
        output="A",
        title="A test",
        description="A test",
        overwrite=True,
    )
    self.runModule(
        "t.register",
        flags="i",
        type="raster_3d",
        input="A",
        maps="a1,a2,a3,a4,a5,a6",
        start="2001-01-01",
        increment="3 months",
        overwrite=True,
    )