Fix tests

Lib/KeychainAccessTests/KeychainAccessTests.swift

@@ -506,7 +506,11 @@ class KeychainAccessTests: XCTestCase {
                 XCTAssertNil(attributes?.ref)
                 XCTAssertNotNil(attributes?.persistentRef)
                 XCTAssertEqual(attributes?.accessible, Accessibility.afterFirstUnlock.rawValue)
-                XCTAssertNotNil(attributes?.accessControl)
+                if ProcessInfo().isOperatingSystemAtLeast(OperatingSystemVersion(majorVersion: 11, minorVersion: 3, patchVersion: 0)) {
+                    XCTAssertNotNil(attributes?.accessControl)
+                } else {
+                    XCTAssertNil(attributes?.accessControl)
+                }
                 XCTAssertEqual(attributes?.accessGroup, "27AEDK3C9F.com.kishikawakatsumi.KeychainAccess.TestHost")
                 XCTAssertNotNil(attributes?.synchronizable)
                 XCTAssertNotNil(attributes?.creationDate)