Refactor test_legend_entries to use mpl_image_compare

pygmt/tests/baseline/test_legend_entries.png.dvc

@@ -0,0 +1,4 @@
+outs:
+- md5: 4d1ed417fd2625d0b2fa5c17dafd32fd
+  size: 73728
+  path: test_legend_entries.png

pygmt/tests/test_legend.py

@@ -5,7 +5,6 @@
 from pygmt import Figure
 from pygmt.exceptions import GMTInvalidInput
 from pygmt.helpers import GMTTempFile
-from pygmt.helpers.testing import check_figures_equal
 
 
 @pytest.mark.mpl_image_compare
@@ -44,42 +43,25 @@ def test_legend_default_position():
     return fig
 
 
-@check_figures_equal()
+@pytest.mark.mpl_image_compare
 def test_legend_entries():
     """
     Test different marker types/shapes.
     """
-    fig_ref, fig_test = Figure(), Figure()
-
-    # Use single-character arguments for the reference image
-    fig_ref = Figure()
-    fig_ref.basemap(J="x1i", R="0/7/3/7", B="")
-    fig_ref.plot(
-        data="@Table_5_11.txt",
-        S="c0.15i",
-        G="lightgreen",
-        W="faint",
-        l="Apples",
-    )
-    fig_ref.plot(data="@Table_5_11.txt", W="1.5p,gray", l='"My lines"')
-    fig_ref.plot(data="@Table_5_11.txt", S="t0.15i", G="orange", l="Oranges")
-    fig_ref.legend(D="JTR+jTR")
-
-    fig_test.basemap(projection="x1i", region=[0, 7, 3, 7], frame=True)
-    fig_test.plot(
+    fig = Figure()
+    fig.basemap(projection="x1i", region=[0, 7, 3, 7], frame=True)
+    fig.plot(
         data="@Table_5_11.txt",
         style="c0.15i",
         color="lightgreen",
         pen="faint",
         label="Apples",
     )
-    fig_test.plot(data="@Table_5_11.txt", pen="1.5p,gray", label='"My lines"')
-    fig_test.plot(
-        data="@Table_5_11.txt", style="t0.15i", color="orange", label="Oranges"
-    )
-    fig_test.legend(position="JTR+jTR")
+    fig.plot(data="@Table_5_11.txt", pen="1.5p,gray", label='"My lines"')
+    fig.plot(data="@Table_5_11.txt", style="t0.15i", color="orange", label="Oranges")
+    fig.legend(position="JTR+jTR")
 
-    return fig_ref, fig_test
+    return fig
 
 
 @pytest.mark.mpl_image_compare