GP-101 Update tests

Author: shryhus

2-0-servlet-api/2-0-1-hello-servlet-api/src/test/java/com/bobocode/DateServletTest.java

@@ -6,7 +6,6 @@
 import org.mockito.junit.jupiter.MockitoExtension;
 import org.reflections.Reflections;
 
-import javax.servlet.ServletOutputStream;
 import javax.servlet.annotation.WebServlet;
 import javax.servlet.http.HttpServlet;
 import javax.servlet.http.HttpServletRequest;
@@ -22,7 +21,6 @@
 import java.util.Set;
 
 import static org.assertj.core.api.AssertionsForClassTypes.assertThat;
-import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
 
@@ -36,9 +34,6 @@ public class DateServletTest {
     @Mock
     private HttpServletResponse response;
 
-    @Mock
-    private ServletOutputStream outputStream;
-
     private Object dateServletObject;
     private Class<?> dateServletClass;
 
@@ -56,12 +51,14 @@ public void init() throws ClassNotFoundException, IllegalAccessException, Invoca
 
     @Test
     @Order(1)
+    @DisplayName("DateServlet class exists")
     void dateServletClassExists() throws ClassNotFoundException {
         Class.forName(SERVLET_PACKAGE + "." + DATE_SERVLET);
     }
 
     @Test
     @Order(2)
+    @DisplayName("DateServlet class extends HttpServlet")
     void dateServletExtendsHttpServlet() {
 
         Set<Class<? extends HttpServlet>> httpServlets =
@@ -76,6 +73,7 @@ void dateServletExtendsHttpServlet() {
 
     @Test
     @Order(3)
+    @DisplayName("DateServlet class is marked as @WebServlet")
     void dateServletIsMarkedAsWebServlet() {
         Set<Class<?>> servlets =
                 reflections.getTypesAnnotatedWith(WebServlet.class);
@@ -88,6 +86,7 @@ void dateServletIsMarkedAsWebServlet() {
 
     @Test
     @Order(4)
+    @DisplayName("DateServlet is mapped with \"/date\" path")
     void dateServletIsMarkedWithProperPath() throws ClassNotFoundException {
         String[] value = Class.forName(SERVLET_PACKAGE + "." + DATE_SERVLET)
                 .getAnnotation(WebServlet.class).value();
@@ -96,7 +95,8 @@ void dateServletIsMarkedWithProperPath() throws ClassNotFoundException {
 
     @Test
     @Order(5)
-    void dateServletReturnsDateInResponse() throws IOException, NoSuchMethodException, InvocationTargetException,
+    @DisplayName("DateServlet returns current date in a response")
+    void dateServletReturnsDateInResponse() throws IOException, InvocationTargetException,
             IllegalAccessException {
         Method doGetMethod = getDoGetMethod();
 
@@ -108,7 +108,7 @@ void dateServletReturnsDateInResponse() throws IOException, NoSuchMethodExceptio
         assertThat(stringWriter.getBuffer().toString()).contains(LocalDate.now().toString());
     }
 
-    private Method getDoGetMethod() throws NoSuchMethodException {
+    private Method getDoGetMethod() {
         var method = Arrays.stream(dateServletClass.getDeclaredMethods())
                 .filter(m -> m.getName().equals("doGet"))
                 .findAny()