Issue #19572: More silently skipped tests explicitly skipped.
diff --git a/Lib/test/test_shutil.py b/Lib/test/test_shutil.py
index 8f1abd8..8160f41 100644
--- a/Lib/test/test_shutil.py
+++ b/Lib/test/test_shutil.py
@@ -651,16 +651,14 @@
     def test_move_file_other_fs(self):
         # Move a file to an existing dir on another filesystem.
         if not self.dir_other_fs:
-            # skip
-            return
+            self.skipTest('dir on other filesystem not available')
         self._check_move_file(self.src_file, self.file_other_fs,
             self.file_other_fs)
 
     def test_move_file_to_dir_other_fs(self):
         # Move a file to another location on another filesystem.
         if not self.dir_other_fs:
-            # skip
-            return
+            self.skipTest('dir on other filesystem not available')
         self._check_move_file(self.src_file, self.dir_other_fs,
             self.file_other_fs)
 
@@ -678,8 +676,7 @@
     def test_move_dir_other_fs(self):
         # Move a dir to another location on another filesystem.
         if not self.dir_other_fs:
-            # skip
-            return
+            self.skipTest('dir on other filesystem not available')
         dst_dir = tempfile.mktemp(dir=self.dir_other_fs)
         try:
             self._check_move_dir(self.src_dir, dst_dir, dst_dir)
@@ -697,8 +694,7 @@
     def test_move_dir_to_dir_other_fs(self):
         # Move a dir inside an existing dir on another filesystem.
         if not self.dir_other_fs:
-            # skip
-            return
+            self.skipTest('dir on other filesystem not available')
         self._check_move_dir(self.src_dir, self.dir_other_fs,
             os.path.join(self.dir_other_fs, os.path.basename(self.src_dir)))