fix unit tests

pybamm/plotting/dynamic_plot.py

@@ -8,15 +8,15 @@ def dynamic_plot(*args, **kwargs):
     """
     Creates a :class:`pybamm.QuickPlot` object (with arguments 'args' and keyword
     arguments 'kwargs') and then calls :meth:`pybamm.QuickPlot.dynamic_plot`.
-    The key-word argument 'testing' is passed to the 'dynamic_plot' method, not the
+    The key-word argument 'show_plot' is passed to the 'dynamic_plot' method, not the
     `QuickPlot` class.
 
     Returns
     -------
     plot : :class:`pybamm.QuickPlot`
         The 'QuickPlot' object that was created
     """
-    kwargs_for_class = {k: v for k, v in kwargs.items() if k != "testing"}
+    kwargs_for_class = {k: v for k, v in kwargs.items() if k != "show_plot"}
     plot = pybamm.QuickPlot(*args, **kwargs_for_class)
-    plot.dynamic_plot(kwargs.get("testing", False))
+    plot.dynamic_plot(kwargs.get("show_plot", True))
     return plot

pybamm/plotting/plot_voltage_components.py

@@ -49,7 +49,7 @@ def plot_voltage_components(
 
     if ax is not None:
         fig = None
-        testing = True
+        show_plot = False
     else:
         fig, ax = plt.subplots(figsize=(8, 4))
 
@@ -152,7 +152,7 @@ def plot_voltage_components(
     )
     ax.set_ylim([y_min, y_max])
 
-    if not testing:  # pragma: no cover
+    if show_plot:  # pragma: no cover
         plt.show()
 
     return fig, ax