diff --git a/tests/unit/test_base_formatter.py b/tests/unit/test_base_formatter.py
index e4dab2e..f28ab80 100644
--- a/tests/unit/test_base_formatter.py
+++ b/tests/unit/test_base_formatter.py
@@ -52,7 +52,7 @@ def test_show_source_returns_nothing_when_not_showing_source():
     formatter = base.BaseFormatter(options(show_source=False))
     assert formatter.show_source(
         style_guide.Violation('A000', 'file.py', 1, 1, 'error text', 'line')
-    ) is ''
+    ) == ''
 
 
 def test_show_source_returns_nothing_when_there_is_source():
@@ -60,7 +60,7 @@ def test_show_source_returns_nothing_when_there_is_source():
     formatter = base.BaseFormatter(options(show_source=True))
     assert formatter.show_source(
         style_guide.Violation('A000', 'file.py', 1, 1, 'error text', None)
-    ) is ''
+    ) == ''
 
 
 @pytest.mark.parametrize('line, column', [
diff --git a/tests/unit/test_file_processor.py b/tests/unit/test_file_processor.py
index 7d64f6e..e83136a 100644
--- a/tests/unit/test_file_processor.py
+++ b/tests/unit/test_file_processor.py
@@ -239,7 +239,7 @@ def test_next_logical_line_updates_the_previous_logical_line():
     file_processor.indent_level = 1
     file_processor.logical_line = 'a = 1'
     assert file_processor.previous_logical == ''
-    assert file_processor.previous_indent_level is 0
+    assert file_processor.previous_indent_level == 0
 
     file_processor.next_logical_line()
     assert file_processor.previous_logical == 'a = 1'