tests: clean up persistent temp directories

Author: gaelic-ghost

Tests/RAGKitTests/CoreDataVectorIndexTests.swift

@@ -318,6 +318,17 @@ final class CoreDataVectorIndexTests: XCTestCase {
                 at: directory,
                 withIntermediateDirectories: true
             )
+            addTeardownBlock {
+                do {
+                    try FileManager.default.removeItem(at: directory)
+                } catch {
+                    XCTFail(
+                        "RAGKit could not remove a temporary Core Data vector index test directory at \(directory.path). \(error.localizedDescription)",
+                        file: file,
+                        line: line
+                    )
+                }
+            }
         } catch {
             XCTFail(
                 "RAGKit could not create a temporary Core Data vector index test directory. \(error.localizedDescription)",

Tests/SwiftlyFetchTests/SwiftlyFetchLibraryTests.swift

@@ -308,6 +308,9 @@ struct SwiftlyFetchLibraryTests {
     @Test("Persistent facade reopens conventional and semantic state")
     func persistentFacadeReopensConventionalAndSemanticState() async throws {
         let directory = try temporaryDirectory()
+        defer {
+            cleanupTemporaryDirectory(directory)
+        }
 
         do {
             let firstLibrary = try await SwiftlyFetchLibrary.macOSPersistentLibrary(at: directory)
@@ -332,6 +335,9 @@ struct SwiftlyFetchLibraryTests {
     @Test("Core Data semantic retry store reopens pending retries")
     func coreDataSemanticRetryStoreReopensPendingRetries() async throws {
         let directory = try temporaryDirectory()
+        defer {
+            cleanupTemporaryDirectory(directory)
+        }
         let storeURL = directory.appendingPathComponent("SemanticRetries.sqlite")
         let olderDate = try #require(Calendar.current.date(from: DateComponents(year: 2026, month: 1, day: 1)))
         let newerDate = try #require(Calendar.current.date(from: DateComponents(year: 2026, month: 1, day: 2)))
@@ -493,4 +499,14 @@ private func temporaryDirectory() throws -> URL {
 
     return directory
 }
+
+private func cleanupTemporaryDirectory(_ directory: URL) {
+    do {
+        try FileManager.default.removeItem(at: directory)
+    } catch {
+        Issue.record(
+            "SwiftlyFetch could not remove a temporary test directory at \(directory.path). \(error.localizedDescription)"
+        )
+    }
+}
 #endif