Merge pull request matplotlib#23658 from QuLogic/multi-font-tol

Increase tolerance on multi-font tests

Author: oscargus

lib/matplotlib/tests/test_backend_pdf.py

@@ -387,7 +387,7 @@ def test_glyphs_subset():
     assert subfont.get_num_glyphs() == nosubfont.get_num_glyphs()
 
 
-@image_comparison(["multi_font_type3.pdf"])
+@image_comparison(["multi_font_type3.pdf"], tol=4.6)
 def test_multi_font_type3():
     fp = fm.FontProperties(family=["WenQuanYi Zen Hei"])
     if Path(fm.findfont(fp)).name != "wqy-zenhei.ttc":
@@ -400,7 +400,7 @@ def test_multi_font_type3():
     fig.text(0.15, 0.475, "There are 几个汉字 in between!")
 
 
-@image_comparison(["multi_font_type42.pdf"])
+@image_comparison(["multi_font_type42.pdf"], tol=2.2)
 def test_multi_font_type42():
     fp = fm.FontProperties(family=["WenQuanYi Zen Hei"])
     if Path(fm.findfont(fp)).name != "wqy-zenhei.ttc":

lib/matplotlib/tests/test_backend_ps.py

@@ -274,7 +274,7 @@ def test_no_duplicate_definition():
     assert max(Counter(wds).values()) == 1
 
 
-@image_comparison(["multi_font_type3.eps"])
+@image_comparison(["multi_font_type3.eps"], tol=0.51)
 def test_multi_font_type3():
     fp = fm.FontProperties(family=["WenQuanYi Zen Hei"])
     if Path(fm.findfont(fp)).name != "wqy-zenhei.ttc":
@@ -287,7 +287,7 @@ def test_multi_font_type3():
     fig.text(0.15, 0.475, "There are 几个汉字 in between!")
 
 
-@image_comparison(["multi_font_type42.eps"])
+@image_comparison(["multi_font_type42.eps"], tol=1.6)
 def test_multi_font_type42():
     fp = fm.FontProperties(family=["WenQuanYi Zen Hei"])
     if Path(fm.findfont(fp)).name != "wqy-zenhei.ttc":

lib/matplotlib/tests/test_backend_svg.py

@@ -470,7 +470,7 @@ def test_svg_metadata():
     assert values == metadata['Keywords']
 
 
-@image_comparison(["multi_font_aspath.svg"])
+@image_comparison(["multi_font_aspath.svg"], tol=1.8)
 def test_multi_font_type3():
     fp = fm.FontProperties(family=["WenQuanYi Zen Hei"])
     if Path(fm.findfont(fp)).name != "wqy-zenhei.ttc":