streamlined image comparison tests for text antialiasing

Author: stevezhang1999

lib/matplotlib/tests/test_text.py

@@ -949,27 +949,16 @@ def test_annotation_antialiased():
 
 @check_figures_equal()
 def test_text_antialiased_off_default_vs_manual(fig_test, fig_ref):
-    # note that the field antialiased is for Text object
-    # therefore in the test we will make axis antialiasing identical
-    # which is determined by rcParams['text.antialiased'] when axis is created
-    # also note that there is no way to change this for axis after creating it
-
-    mpl.rcParams['text.antialiased'] = False
-    # axis: antialiased == rcParams['text.antialiased'] == False
-    # text: antialiased == False
-    fig_test.subplots().text(0.5, 0.5, '6 inches x 2 inches',
+    fig_test.text(0.5, 0.5, '6 inches x 2 inches',
                              antialiased=False)
 
     mpl.rcParams['text.antialiased'] = False
-    # axis: antialiased == rcParams['text.antialiased'] == False
-    # text: antialiased == rcParams['text.antialiased'] == False
-    fig_ref.subplots().text(0.5, 0.5, '6 inches x 2 inches')
+    fig_ref.text(0.5, 0.5, '6 inches x 2 inches')
 
 
 @check_figures_equal()
 def test_text_antialiased_on_default_vs_manual(fig_test, fig_ref):
-    mpl.rcParams['text.antialiased'] = True
-    fig_test.subplots().text(0.5, 0.5, '6 inches x 2 inches', antialiased=True)
+    fig_test.text(0.5, 0.5, '6 inches x 2 inches', antialiased=True)
 
     mpl.rcParams['text.antialiased'] = True
-    fig_ref.subplots().text(0.5, 0.5, '6 inches x 2 inches')
+    fig_ref.text(0.5, 0.5, '6 inches x 2 inches')