diff --git a/crates/ruff/src/checkers/logical_lines.rs b/crates/ruff/src/checkers/logical_lines.rs
index 6e32b87306..81fada3f46 100644
--- a/crates/ruff/src/checkers/logical_lines.rs
+++ b/crates/ruff/src/checkers/logical_lines.rs
@@ -154,116 +154,3 @@ impl<'a> LogicalLinesContext<'a> {
         }
     }
 }
-
-#[cfg(test)]
-mod tests {
-    use rustpython_parser::lexer::LexResult;
-    use rustpython_parser::{lexer, Mode};
-
-    use crate::rules::pycodestyle::rules::logical_lines::LogicalLines;
-    use ruff_python_ast::source_code::Locator;
-
-    #[test]
-    fn split_logical_lines() {
-        let contents = r#"
-x = 1
-y = 2
-z = x + 1"#
-            .trim();
-        let lxr: Vec<LexResult> = lexer::lex(contents, Mode::Module).collect();
-        let locator = Locator::new(contents);
-        let actual: Vec<String> = LogicalLines::from_tokens(&lxr, &locator)
-            .into_iter()
-            .map(|line| line.text_trimmed().to_string())
-            .collect();
-        let expected = vec![
-            "x = 1".to_string(),
-            "y = 2".to_string(),
-            "z = x + 1".to_string(),
-        ];
-        assert_eq!(actual, expected);
-
-        let contents = r#"
-x = [
-  1,
-  2,
-  3,
-]
-y = 2
-z = x + 1"#
-            .trim();
-        let lxr: Vec<LexResult> = lexer::lex(contents, Mode::Module).collect();
-        let locator = Locator::new(contents);
-        let actual: Vec<String> = LogicalLines::from_tokens(&lxr, &locator)
-            .into_iter()
-            .map(|line| line.text_trimmed().to_string())
-            .collect();
-        let expected = vec![
-            "x = [\n  1,\n  2,\n  3,\n]".to_string(),
-            "y = 2".to_string(),
-            "z = x + 1".to_string(),
-        ];
-        assert_eq!(actual, expected);
-
-        let contents = "x = 'abc'";
-        let lxr: Vec<LexResult> = lexer::lex(contents, Mode::Module).collect();
-        let locator = Locator::new(contents);
-        let actual: Vec<String> = LogicalLines::from_tokens(&lxr, &locator)
-            .into_iter()
-            .map(|line| line.text_trimmed().to_string())
-            .collect();
-        let expected = vec!["x = 'abc'".to_string()];
-        assert_eq!(actual, expected);
-
-        let contents = r#"
-def f():
-  x = 1
-f()"#
-            .trim();
-        let lxr: Vec<LexResult> = lexer::lex(contents, Mode::Module).collect();
-        let locator = Locator::new(contents);
-        let actual: Vec<String> = LogicalLines::from_tokens(&lxr, &locator)
-            .into_iter()
-            .map(|line| line.text_trimmed().to_string())
-            .collect();
-        let expected = vec!["def f():", "x = 1", "f()"];
-        assert_eq!(actual, expected);
-
-        let contents = r#"
-def f():
-  """Docstring goes here."""
-  # Comment goes here.
-  x = 1
-f()"#
-            .trim();
-        let lxr: Vec<LexResult> = lexer::lex(contents, Mode::Module).collect();
-        let locator = Locator::new(contents);
-        let actual: Vec<String> = LogicalLines::from_tokens(&lxr, &locator)
-            .into_iter()
-            .map(|line| line.text_trimmed().to_string())
-            .collect();
-        let expected = vec![
-            "def f():",
-            "\"\"\"Docstring goes here.\"\"\"",
-            "",
-            "x = 1",
-            "f()",
-        ];
-        assert_eq!(actual, expected);
-
-        let contents = r#"
-if False:
-
-    print()
-"#
-        .trim();
-        let lxr: Vec<LexResult> = lexer::lex(contents, Mode::Module).collect();
-        let locator = Locator::new(contents);
-        let actual: Vec<String> = LogicalLines::from_tokens(&lxr, &locator)
-            .into_iter()
-            .map(|line| line.text_trimmed().to_string())
-            .collect();
-        let expected = vec!["if False:", "print()", ""];
-        assert_eq!(actual, expected);
-    }
-}
diff --git a/crates/ruff/src/rules/pycodestyle/rules/logical_lines/mod.rs b/crates/ruff/src/rules/pycodestyle/rules/logical_lines/mod.rs
index f6f4e94d04..f8f153132c 100644
--- a/crates/ruff/src/rules/pycodestyle/rules/logical_lines/mod.rs
+++ b/crates/ruff/src/rules/pycodestyle/rules/logical_lines/mod.rs
@@ -535,3 +535,103 @@ struct Line {
     tokens_start: u32,
     tokens_end: u32,
 }
+
+#[cfg(test)]
+mod tests {
+    use rustpython_parser::lexer::LexResult;
+    use rustpython_parser::{lexer, Mode};
+
+    use ruff_python_ast::source_code::Locator;
+
+    use super::LogicalLines;
+
+    #[test]
+    fn multi_line() {
+        assert_logical_lines(
+            r#"
+x = 1
+y = 2
+z = x + 1"#
+                .trim(),
+            &["x = 1", "y = 2", "z = x + 1"],
+        );
+    }
+
+    #[test]
+    fn indented() {
+        assert_logical_lines(
+            r#"
+x = [
+  1,
+  2,
+  3,
+]
+y = 2
+z = x + 1"#
+                .trim(),
+            &["x = [\n  1,\n  2,\n  3,\n]", "y = 2", "z = x + 1"],
+        );
+    }
+
+    #[test]
+    fn string_assignment() {
+        assert_logical_lines("x = 'abc'".trim(), &["x = 'abc'"]);
+    }
+
+    #[test]
+    fn function_definition() {
+        assert_logical_lines(
+            r#"
+def f():
+  x = 1
+f()"#
+                .trim(),
+            &["def f():", "x = 1", "f()"],
+        );
+    }
+
+    #[test]
+    fn trivia() {
+        assert_logical_lines(
+            r#"
+def f():
+  """Docstring goes here."""
+  # Comment goes here.
+  x = 1
+f()"#
+                .trim(),
+            &[
+                "def f():",
+                "\"\"\"Docstring goes here.\"\"\"",
+                "",
+                "x = 1",
+                "f()",
+            ],
+        );
+    }
+
+    #[test]
+    fn empty_line() {
+        assert_logical_lines(
+            r#"
+if False:
+
+    print()
+"#
+            .trim(),
+            &["if False:", "print()", ""],
+        );
+    }
+
+    fn assert_logical_lines(contents: &str, expected: &[&str]) {
+        let lxr: Vec<LexResult> = lexer::lex(contents, Mode::Module).collect();
+        let locator = Locator::new(contents);
+        let actual: Vec<String> = LogicalLines::from_tokens(&lxr, &locator)
+            .into_iter()
+            .map(|line| line.text_trimmed())
+            .map(ToString::to_string)
+            .collect();
+        let expected: Vec<String> = expected.iter().map(ToString::to_string).collect();
+        assert_eq!(actual, expected);
+    }
+}