fixed dpi in tests

Author: KatyBrown

tests/test_amend_tree.py

@@ -47,7 +47,7 @@ def test_reverse_align_params(x,
             raise RuntimeError(f"Error in parsing Newick format: {e}")
     tree_stem = tree.split("/")[-1].split(".")[0]
 
-    f = plt.figure(figsize=(10, 20))
+    f = plt.figure(figsize=(10, 20), dpi=100)
     a = f.add_subplot(111)
     a.set_xlim(-10, 20)
     a.set_ylim(-1, ylim)

tests/test_draw_tree.py

@@ -48,7 +48,7 @@ def test_draw_tree_params(x,
             raise RuntimeError(f"Error in parsing Newick format: {e}")
     tree_stem = tree.split("/")[-1].split(".")[0]
 
-    f = plt.figure(figsize=(10, 20))
+    f = plt.figure(figsize=(10, 20), dpi=100)
     a = f.add_subplot(111)
     a.set_xlim(-10, 20)
     a.set_ylim(-1, ylim)

tests/test_plot_phylo.py

@@ -51,7 +51,7 @@ def test_plot_phylo_params(xpos,
 
     tree_stem = tree.split("/")[-1].split(".")[0]
 
-    f = plt.figure(figsize=(10, 20))
+    f = plt.figure(figsize=(10, 20), dpi=100)
     a = f.add_subplot(111)
     plot_phylo.plot_phylo(tree=tree, ax=a,
                           xpos=xpos,
@@ -121,7 +121,7 @@ def test_bad_tree(xpos,
                   collapse,
                   collapse_names,
                   auto_ax):
-    f = plt.figure(figsize=(10, 20))
+    f = plt.figure(figsize=(10, 20), dpi=100)
     a = f.add_subplot(111)
     with pytest.raises(RuntimeError,
                        match="Error in parsing Newick"):