removed unnecessary Mockito and refactored test method name

core-java-collections/src/test/java/com/baeldung/findItems/FindItemsBasedOnOtherStreamUnitTest.java

@@ -1,4 +1,4 @@
-package findItems;
+package com.baeldung.findItems;
 
 import static org.junit.Assert.assertEquals;
 
@@ -10,24 +10,20 @@ import java.util.stream.Collectors;
 
 import org.junit.Test;
 
-public class FindItemsBasedOnValues {
+public class FindItemsBasedOnOtherStreamUnitTest {
 
-    List<Employee> EmplList = new ArrayList<Employee>();
-    List<Department> deptList = new ArrayList<Department>();
+    private List<Employee> employeeList = new ArrayList<Employee>();
 
-    public static void main(String[] args) throws ParseException {
-        FindItemsBasedOnValues findItems = new FindItemsBasedOnValues();
-        findItems.givenDepartmentList_thenEmployeeListIsFilteredCorrectly();
-    }
+    private List<Department> departmentList = new ArrayList<Department>();
 
     @Test
     public void givenDepartmentList_thenEmployeeListIsFilteredCorrectly() {
         Integer expectedId = 1002;
 
-        populate(EmplList, deptList);
+        populate(employeeList, departmentList);
 
-        List<Employee> filteredList = EmplList.stream()
-            .filter(empl -> deptList.stream()
+        List<Employee> filteredList = employeeList.stream()
+            .filter(empl -> departmentList.stream()
                 .anyMatch(dept -> dept.getDepartment()
                     .equals("sales") && empl.getEmployeeId()
                     .equals(dept.getEmployeeId())))
@@ -53,16 +49,16 @@ public class FindItemsBasedOnValues {
 }
 
 class Employee {
-    Integer employeeId;
-    String employeeName;
+    private Integer employeeId;
+    private String employeeName;
 
-    public Employee(Integer employeeId, String employeeName) {
+    Employee(Integer employeeId, String employeeName) {
         super();
         this.employeeId = employeeId;
         this.employeeName = employeeName;
     }
 
-    public Integer getEmployeeId() {
+    Integer getEmployeeId() {
         return employeeId;
     }
 
@@ -73,20 +69,20 @@ class Employee {
 }
 
 class Department {
-    Integer employeeId;
-    String department;
+    private Integer employeeId;
+    private String department;
 
-    public Department(Integer employeeId, String department) {
+    Department(Integer employeeId, String department) {
         super();
         this.employeeId = employeeId;
         this.department = department;
     }
 
-    public Integer getEmployeeId() {
+    Integer getEmployeeId() {
         return employeeId;
     }
 
-    public String getDepartment() {
+    String getDepartment() {
         return department;
     }