Delete TestXDG directory after TestNSHTTPCookieStorage

Author: e78l

TestFoundation/TestNSHTTPCookieStorage.swift

@@ -247,7 +247,8 @@ class TestNSHTTPCookieStorage: XCTestCase {
             task.launchPath = bundlePath.substring(to: pathIndex!) + "/xdgTestHelper/xdgTestHelper"
         #endif
         var environment = ProcessInfo.processInfo.environment
-        environment["XDG_CONFIG_HOME"] =  NSHomeDirectory() + "/TestXDG"
+        let testPath = NSHomeDirectory() + "/TestXDG"
+        environment["XDG_CONFIG_HOME"] = testPath
         task.environment = environment
         // Launch the task
         task.launch()
@@ -256,5 +257,6 @@ class TestNSHTTPCookieStorage: XCTestCase {
         XCTAssertEqual(status, 0)
         let terminationReason = task.terminationReason
         XCTAssertEqual(terminationReason, Process.TerminationReason.exit)
+        try? fm.removeItem(atPath: testPath)
     }
 }