Added test for readFromFile to StudentTest class

src/test/java/org/example/StudentTest.java

@@ -25,4 +25,32 @@ class StudentTest {
         Files.delete(path);
 
     }
+
+@Test
+    void readFromFile() throws IOException {
+
+        try (PrintWriter writer = new PrintWriter(new FileWriter("testStudentData.txt"))){
+            writer.println("Samuel");
+            writer.println("S1001");
+            writer.print("Student");
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+        String filename = "testStudentData.txt";
+        List<Student> testStudents = Student.readFromFile(filename);
+
+        assertEquals(1, testStudents.size());
+        Student admin = testStudents.get(0);
+
+        assertEquals("Samuel", admin.getName());
+        assertEquals("S1001", admin.getId());
+        assertEquals("Student", admin.getRole());
+
+        Files.delete(Path.of(filename));
+
+    }
+
+
+
+
 }