diff --git a/tests/backend/test_piping.py b/tests/backend/test_piping.py
index c1344661c4..c9c4d1767f 100644
--- a/tests/backend/test_piping.py
+++ b/tests/backend/test_piping.py
@@ -76,7 +76,9 @@ def test_pipe_pipe_invalid_data_mocked(mocker, sentinel, mock_run, quiet):
          reason='https://gitlab.com/graphviz/graphviz/-/issues/1269'))])
 def test_pipe(capsys, engine, format_, renderer, formatter, pattern,
               data=b'graph { spam }'):
-    out = graphviz.pipe(engine, format_, data, renderer, formatter).decode('ascii')
+    with pytest.deprecated_call():
+        out = graphviz.pipe(engine, format_, data,
+                            renderer, formatter).decode('ascii')
 
     if pattern is not None:
         assert re.match(pattern, out)
diff --git a/tests/backend/test_rendering.py b/tests/backend/test_rendering.py
index b2f5f7247f..06f5f29976 100644
--- a/tests/backend/test_rendering.py
+++ b/tests/backend/test_rendering.py
@@ -36,7 +36,7 @@ def test_render_missing_file(quiet, engine='dot', format_='pdf'):
      (['dot', 'ps', 'nonfilepath', 'ps', ''], ValueError, r'unknown formatter')],
     ids=lambda x: getattr(x, '__name__', x))
 def test_render_unknown_parameter_raises(args, expected_exception, match):
-    with pytest.raises(expected_exception, match=match):
+    with pytest.raises(expected_exception, match=match), pytest.deprecated_call():
         graphviz.render(*args)
 
 
@@ -53,7 +53,9 @@ def test_render(capsys, tmp_path, engine, format_, renderer, formatter,
     assert lpath.write_bytes(data) == len(data) == lpath.stat().st_size
     rendered = lpath.with_suffix(f'{lpath.suffix}.{expected_suffix}')
 
-    result = graphviz.render(engine, format_, str(lpath), renderer, formatter)
+    with pytest.deprecated_call():
+        result = graphviz.render(engine, format_, str(lpath),
+                                 renderer, formatter)
 
     assert result == str(rendered)
 
@@ -181,7 +183,7 @@ def test_get_filepath(outfile, expected_fspath):
      ('spam.pdf', None, 'pdf'),
      ('spam.pdf', 'pdf', 'pdf'),
      ('spam', 'pdf', 'pdf')])
-def test_get_ormat(outfile_name, format, expected_result):
+def test_get_format(outfile_name, format, expected_result):
     outfile = pathlib.Path(outfile_name)
 
     result = rendering.get_format(outfile, format=format)
diff --git a/tests/test_all_classes.py b/tests/test_all_classes.py
index 0c1c8ae83b..8aae7b647b 100644
--- a/tests/test_all_classes.py
+++ b/tests/test_all_classes.py
@@ -169,7 +169,8 @@ def test_save_mocked(mocker, dot, filename='nonfilename', directory='nondirector
     mock_makedirs = mocker.patch('os.makedirs', autospec=True)
     mock_open = mocker.patch('builtins.open', mocker.mock_open())
 
-    assert dot.save(filename, directory) == dot.filepath
+    with pytest.deprecated_call():
+        assert dot.save(filename, directory) == dot.filepath
 
     assert dot.filename == filename
     assert dot.directory == directory
diff --git a/tests/test_sources.py b/tests/test_sources.py
index 7c5332ecd1..a00a599454 100644
--- a/tests/test_sources.py
+++ b/tests/test_sources.py
@@ -47,16 +47,21 @@ def test_from_file(tmp_path, filename='hello.gv', directory='source_hello',
     lpath.mkdir()
     (lpath / filename).write_text(data, encoding=encoding)
 
-    source = graphviz.Source.from_file(filename, str(lpath))
+    with pytest.deprecated_call():
+        source = graphviz.Source.from_file(filename, str(lpath))
     assert source.encoding == 'utf-8'
 
-    source = graphviz.Source.from_file(filename, str(lpath), encoding=None)
+    with pytest.deprecated_call():
+        source = graphviz.Source.from_file(filename, str(lpath), encoding=None)
     assert source.encoding == locale.getpreferredencoding()
 
     renderer = 'xdot'
     formatter = 'core'
-    source = graphviz.Source.from_file(filename, str(lpath), encoding=encoding,
-                                       renderer=renderer, formatter=formatter)
+    with pytest.deprecated_call():
+        source = graphviz.Source.from_file(filename, str(lpath),
+                                           encoding=encoding,
+                                           renderer=renderer,
+                                           formatter=formatter)
     assert source.source == data + '\n'
     assert source.filename == filename
     assert source.directory == str(lpath)