update base class

src/pyextremes/tests/ks_test.py

@@ -50,6 +50,7 @@ def __init__(
             extremes=extremes,
             distribution=distribution,
             fit_parameters=fit_parameters,
+            fixed_parameters=fixed_parameters,
             significance_level=significance_level,
         )
 

src/pyextremes/tests/test_base.py

@@ -12,6 +12,7 @@ def __init__(
         extremes,
         distribution: typing.Union[str, scipy.stats.rv_continuous],
         fit_parameters: typing.Dict[str, float],
+        fixed_parameters: typing.Dict[str, float],
         significance_level: float = 0.05,
     ) -> None:
         """Perform a statistical test.
@@ -26,8 +27,12 @@ def __init__(
             See https://docs.scipy.org/doc/scipy/reference/stats.html
         fit_parameters : dict
             Dictionary with fit parameters passed to the `distribution` '.cdf' method.
-            E.g. {"c": 0.3, "loc": 10, "scale": 2} for `distribution`
-            with shape, location, and scale parameters.
+            E.g. {"c": 0.3, "scale": 2} for `distribution`
+            with shape and scale parameters.
+        fixed_parameters : dict
+            Dictionary with fixed parameters passed to the `distribution` '.cdf' method.
+            E.g. {"loc": 10} for `distribution`
+            with location parameter.
         significance_level : float, optional
             Significance level in the range (0, 1).
             By default 0.05
@@ -47,6 +52,7 @@ def __init__(
             )
 
         self.fit_parameters = fit_parameters
+        self.fixed_parameters = fixed_parameters
         self.significance_level = significance_level
 
     @property