test: fix deprecated and removed aliases to assertEqual

This file already uses the "correct" name a bunch of times. Both names
have been around for the same amount of time but the version with an "s"
at the end was deprecated in 3.2 and removed in 3.12.

Author: eli-schwartz

tests/test_move.py

@@ -167,7 +167,7 @@ def test_move_file_overwrite(self, _, fs_url):
             self.assertFalse(src.exists("target.txt"))
             self.assertFalse(dst.exists("file.txt"))
             self.assertTrue(dst.exists("target.txt"))
-            self.assertEquals(dst.readtext("target.txt"), "source content")
+            self.assertEqual(dst.readtext("target.txt"), "source content")
 
     @parameterized.expand([("temp", "temp://"), ("mem", "mem://")])
     def test_move_file_overwrite_itself(self, _, fs_url):
@@ -177,7 +177,7 @@ def test_move_file_overwrite_itself(self, _, fs_url):
             tmp.writetext("file.txt", "content")
             fs.move.move_file(tmp, "file.txt", tmp, "file.txt")
             self.assertTrue(tmp.exists("file.txt"))
-            self.assertEquals(tmp.readtext("file.txt"), "content")
+            self.assertEqual(tmp.readtext("file.txt"), "content")
 
     @parameterized.expand([("temp", "temp://"), ("mem", "mem://")])
     def test_move_file_overwrite_itself_relpath(self, _, fs_url):
@@ -188,7 +188,7 @@ def test_move_file_overwrite_itself_relpath(self, _, fs_url):
             new_dir.writetext("file.txt", "content")
             fs.move.move_file(tmp, "dir/../dir/file.txt", tmp, "dir/file.txt")
             self.assertTrue(tmp.exists("dir/file.txt"))
-            self.assertEquals(tmp.readtext("dir/file.txt"), "content")
+            self.assertEqual(tmp.readtext("dir/file.txt"), "content")
 
     @parameterized.expand([(True,), (False,)])
     def test_move_file_cleanup_on_error(self, cleanup):