BUG: Failing test

[mwakok]

The test test_fitting_dummy_doubleExp() sometimes fails when running the GitHub Actions with the warning:

=================================== FAILURES ===================================
_________________________ test_fitting_dummy_doubleExp _________________________

    def test_fitting_dummy_doubleExp():
        tau1 = 10.0
        tau2 = 200.0
        frac = 0.3
        s1 = 1.2
        s2 = 1.1
        tData = np.linspace(0.0, 10.0 * np.max([tau1, tau2]), 1000)
        isfData = frac * np.exp(-1.0 * (tData / tau1) ** s1) + (1.0 - frac) * np.exp(
            -1.0 * (tData / tau2) ** s2
        )
        isfData += np.random.normal(0.0, isfData / 1000.0, 1000)
        popt, pcov = genFit(isfData, tData, "doubleExp")
>       assert (
            np.abs(popt - [tau1, tau2, frac, s1, s2])
            < [tau1 / 100.0, tau2 / 100.0, frac / 100.0, s1 / 100.0, s2 / 100.0]
        ).all() or (
            np.abs(popt - [tau2, tau1, 1.0 - frac, s2, s1])
            < [tau2 / 100.0, tau1 / 100.0, (1 - frac) / 100.0, s2 / 100.0, s1 / 100.0]
        ).all()
E       AssertionError: assert (False or False)
E        +  where False = <built-in method all of numpy.ndarray object at 0x7f894a70bf90>()
E        +    where <built-in method all of numpy.ndarray object at 0x7f894a70bf90> = array([0.04706137, 0.26052525, 0.00089177, 0.01552927, 0.00121585]) < [0.1, 2.0, 0.003, 0.012, 0.011000000000000001].all
E        +      where array([0.04706137, 0.26052525, 0.00089177, 0.01552927, 0.00121585]) = <ufunc 'absolute'>((array([ 10.04706137, 200.26052525,   0.30089177,   1.[18](https://github.com/koenderinklab/OpenDDM/actions/runs/3046530233/jobs/4909451717#step:6:19)447073,\n         1.10121585]) - [10.0, [20](https://github.com/koenderinklab/OpenDDM/actions/runs/3046530233/jobs/4909451717#step:6:21)0.0, 0.3, 1.2, 1.1]))
E        +        where <ufunc 'absolute'> = np.abs
E        +  and   False = <built-in method all of numpy.ndarray object at 0x7f894a7244b0>()
E        +    where <built-in method all of numpy.ndarray object at 0x7f894a7244b0> = array([1.89952939e+02, 1.90260525e+02, 3.99108226e-01, 8.44707329e-02,\n       9.87841464e-02]) < [2.0, 0.1, 0.006999999999999999, 0.011000000000000001, 0.012].all
E        +      where array([1.89952939e+02, 1.90260525e+02, 3.99108226e-01, 8.44707329e-02,\n       9.87841464e-02]) = <ufunc 'absolute'>((array([ 10.04706137, 200.26052525,   0.30089177,   1.18447073,\n         1.101[21](https://github.com/koenderinklab/OpenDDM/actions/runs/3046530233/jobs/4909451717#step:6:22)585]) - [200.0, 10.0, 0.7, 1.1, 1.2]))
E        +        where <ufunc 'absolute'> = np.abs