Fix test, update PSs amd more failed attempts to make DVC work

Author: joa-quim

test/baseline/psxy.dvc

@@ -1,5 +1,5 @@
 outs:
-- md5: c597478c2dfc51aa340071f73df8731c.dir
-  nfiles: 142
+- md5: 943fde38ba4b0d65350c58bea7313e4e.dir
+  nfiles: 143
   path: psxy
   hash: md5

test/baseline/psxy/gradients.ps

@@ -1,5 +1,4 @@
 #!/usr/bin/env bash
-# GMT_KNOWN_FAILURE
 #
 # Test Gouraud shading for grdview surfaces with -Qg
 # Creates comparison plots: flat shading vs Gouraud shading

test/baseline/psxyz/gradients3d.ps

@@ -1,5 +1,4 @@
 #!/usr/bin/env bash
-# GMT_KNOWN_FAILURE
 #
 # Test gradient-filled polygons with -G+g (Gouraud shading)
 # Tests RGB format (x y r g b), color names (x y colorname),

test/baseline/psxyz/sphere.ps

@@ -1,5 +1,4 @@
 #!/usr/bin/env bash
-# GMT_KNOWN_FAILURE
 #
 # Test gradient-filled 3D polygons with -G+g (Gouraud shading)
 # Tests RGB format (x y z r g b), color names (x y z colorname),

test/grdview/gouraud.ps

@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 # Test -SP sphere symbol
 ps=sphere.ps
-echo 3 3 3 | gmt psxyz -R0/6/0/6/0/6 -JX10c -JZ4c -p135/45 -SP2c -Gblue -W0.2p,red -Ba -Baz -P -K > $ps
+echo 3 3 3 | gmt psxyz -R0/6/0/6/0/6 -JX10c -JZ4c -p135/45 -SP2c -Gblue -W0.2p,red -Ba -Bza -P -K > $ps
 echo 5 2 4 | gmt psxyz -R -J -JZ -p -SP1.5c+f -Ggreen -W0.5p -O -K >> $ps
 echo 2 5 2 | gmt psxyz -R -J -JZ -p -SP1c+n -Gred -W0.3p,black -O >> $ps