diff --git a/Tests/SwiftLintFrameworkTests/ConfigurationTests.swift b/Tests/SwiftLintFrameworkTests/ConfigurationTests.swift
index 713ae01e3..2337a8fa0 100644
--- a/Tests/SwiftLintFrameworkTests/ConfigurationTests.swift
+++ b/Tests/SwiftLintFrameworkTests/ConfigurationTests.swift
@@ -180,6 +180,20 @@ class ConfigurationTests: XCTestCase {
         XCTAssertEqual(["directory/File1.swift", "directory/File2.swift"], paths)
     }
 
+    func testLintablePaths() {
+        let paths = Configuration().lintablePaths(inPath: projectMockPathLevel0)
+        let filenames = paths.map { $0.bridge().lastPathComponent }
+        let expectedFilenames = [
+            "DirectoryLevel1.swift",
+            "Level0.swift",
+            "Level1.swift",
+            "Level3.swift",
+            "Level2.swift"
+        ]
+
+        XCTAssertEqual(expectedFilenames, filenames)
+    }
+
     // MARK: - Testing Configuration Equality
 
     func testIsEqualTo() {
diff --git a/Tests/SwiftLintFrameworkTests/Resources/ProjectMock/Directory.swift/DirectoryLevel1.swift b/Tests/SwiftLintFrameworkTests/Resources/ProjectMock/Directory.swift/DirectoryLevel1.swift
new file mode 100644
index 000000000..1e89e92ee
--- /dev/null
+++ b/Tests/SwiftLintFrameworkTests/Resources/ProjectMock/Directory.swift/DirectoryLevel1.swift
@@ -0,0 +1 @@
+// This is just a mock Swift file