refactor(controller): IntegrationTest를 ControllerTest로 이름 변경

Co-authored-by: hoeseong123 <[email protected]>

backend/src/test/java/codezap/template/integration/TemplateIntegrationTest.java → backend/src/test/java/codezap/template/controller/TemplateControllerTest.java

@@ -1,4 +1,4 @@
-package codezap.template.integration;
+package codezap.template.controller;
 
 import static org.hamcrest.Matchers.is;
 
@@ -21,7 +21,7 @@
 @SpringBootTest(webEnvironment = WebEnvironment.RANDOM_PORT)
 @Sql(value = "/clear.sql", executionPhase = ExecutionPhase.BEFORE_TEST_METHOD)
 @Sql(value = "/clear.sql", executionPhase = ExecutionPhase.AFTER_TEST_CLASS)
-class TemplateIntegrationTest {
+class TemplateControllerTest {
 
     private static final int MAX_LENGTH = 255;
     @LocalServerPort