refactoring: AdminTestClass

src/test/java/org/example/AdminTest.java

@@ -36,10 +36,11 @@ class AdminTest {
 
         admin.writeToFile(admin, filename);
 
-        String content = Files.readString(Path.of(filename));
+        Path path = Path.of(filename);
+        String content = Files.readString(path);
         assertEquals("Simon\nA1001\nAdmin", content);
 
-        Files.delete(Path.of(filename));
+        Files.delete(path);
 
     }