Added docstrings to plotting tests

tests/test_plotting.py

@@ -11,25 +11,40 @@
 
 # Check to see if output type is correct given correct inputs
 def test_sns_plotting_output_type():
+    """_summary_
+    Ensures that the output of the sns plotting function is a matplotlib figure 
+    """
     result = sns_plotting('scatterplot', data, 'number_of_reviews', 'price', 20, 10)
     assert type(result) == matplotlib.figure.Figure, "Test failed: Output type is incorrect."
 
 # Check to see if exception raised for n/a plot type
 def test_sns_plotting_plottype_error():
+    """_summary_
+    Ensures that running the sns plotting function with the incorrect inputs leads to an error
+    """
     with pytest.raises(Exception):
         result = sns_plotting('barplot', data, 'number_of_reviews', 'price', 20, 10)
 
 # Check to see if value error raised for x-variable not in data
 def test_sns_plotting_x_error():
+    """_summary_
+    Ensures that running the sns plotting function with the incorrect inputs leads to an error
+    """
     with pytest.raises(ValueError):
         sns_plotting('scatterplot', data, 'random_x', 'price', 20, 10)
 
 # Check to see if value error raised for y-variable not in data
 def test_sns_plotting_y_error():
+    """_summary_
+    Ensures that running the sns plotting function with the incorrect inputs leads to an error
+    """
     with pytest.raises(ValueError):
         sns_plotting('scatterplot', data, 'number_of_reviews', 'random_y', 20, 10)
 
 # Check to see the figlength and figheight are both <= 25 to avoid being too large
 def test_sns_plotting_figsize_check():
+    """_summary_
+    Ensures that the figure size of the sns plot is of a reasonable size (<= 25 inches)
+    """
     result = sns_plotting('scatterplot', data, 'number_of_reviews', 'price')
     assert result.get_size_inches()[0] <= 25 and result.get_size_inches()[1] <= 25, "Test failed: Plot size is too large."