Remove grdimage, legend and plot3d xfail markers (#1794)

Author: seisman

pygmt/tests/test_grdimage.py

@@ -77,11 +77,6 @@ def test_grdimage_slice(grid):
 
 
 @pytest.mark.mpl_image_compare
-@pytest.mark.xfail(
-    condition=gmt_version > Version("6.3.0"),
-    reason="Grid extension bug affects baseline image; "
-    "fixed in https://github.com/GenericMappingTools/gmt/pull/6175.",
-)
 def test_grdimage_file():
     """
     Plot an image using file input.

pygmt/tests/test_legend.py

@@ -12,10 +12,6 @@
 
 
 @pytest.mark.mpl_image_compare
-@pytest.mark.xfail(
-    condition=gmt_version > Version("6.3.0"),
-    reason="Defaults updated in https://github.com/GenericMappingTools/gmt/pull/6165",
-)
 def test_legend_position():
     """
     Test that plots a position with each of the four legend coordinate systems.
@@ -31,10 +27,6 @@ def test_legend_position():
 
 
 @pytest.mark.mpl_image_compare
-@pytest.mark.xfail(
-    condition=gmt_version > Version("6.3.0"),
-    reason="Defaults updated in https://github.com/GenericMappingTools/gmt/pull/6165",
-)
 def test_legend_default_position():
     """
     Test using the default legend position.
@@ -51,10 +43,6 @@ def test_legend_default_position():
 
 
 @pytest.mark.mpl_image_compare
-@pytest.mark.xfail(
-    condition=gmt_version > Version("6.3.0"),
-    reason="Defaults updated in https://github.com/GenericMappingTools/gmt/pull/6165",
-)
 def test_legend_entries():
     """
     Test different marker types/shapes.
@@ -76,10 +64,6 @@ def test_legend_entries():
 
 
 @pytest.mark.mpl_image_compare
-@pytest.mark.xfail(
-    condition=gmt_version > Version("6.3.0"),
-    reason="Defaults updated in https://github.com/GenericMappingTools/gmt/pull/6165",
-)
 def test_legend_specfile():
     """
     Test specfile functionality.

pygmt/tests/test_plot3d.py

@@ -2,7 +2,6 @@
 Tests plot3d.
 """
 import os
-import sys
 
 import numpy as np
 import pytest
@@ -334,10 +333,6 @@ def test_plot3d_matrix(data, region, color):
     return fig
 
 
-@pytest.mark.xfail(
-    condition=sys.platform == "win32",
-    reason="Wrong plot generated on Windows due to incorrect -i parameter parsing",
-)
 @pytest.mark.mpl_image_compare
 def test_plot3d_matrix_color(data, region):
     """