Remove redundant code in snippet

test-slice-tests-rest/README.adoc

@@ -229,53 +229,6 @@ We will implement the same test scenarios as we did in link:{source-test}/user/U
 [source, java]
 ----
 @Import(TestcontainersConfiguration.class)
-@SpringBootTest(webEnvironment = RANDOM_PORT, properties = {
-        "spring.jpa.hibernate.ddl-auto=create-drop",
-        "spring.security.user.name=rashidi.zin",
-        "spring.security.user.password=jU$7d3m0pL3a$eRe|ax"
-})
-@Sql(executionPhase = BEFORE_TEST_CLASS, statements = "INSERT INTO users (id, first, last, username, status) VALUES (1, 'Rashidi', 'Zin', 'rashidi.zin', 0)")
-class FindByUsernameTests {
-
-    @Autowired
-    private TestRestTemplate restClient;
-
-    @Test
-    @DisplayName("Given username rashidi.zin exists When I request for the username Then response status should be OK and it should contain the summary of the user")
-    void withExistingUsername() {
-        var response = restClient
-                .withBasicAuth("rashidi.zin", "jU$7d3m0pL3a$eRe|ax")
-                .getForEntity("/users/{username}", UserWithoutId.class, "rashidi.zin");
-
-        assertThat(response.getStatusCode()).isEqualTo(OK);
-
-        var user = response.getBody();
-
-        assertThat(user)
-                .extracting("name", "username", "status")
-                .containsExactly("Rashidi Zin", "rashidi.zin", ACTIVE);
-    }
-
-    @Test
-    @DisplayName("Given username zaid.zin does not exist When I request for the username Then response status should be NOT_FOUND")
-    void withNonExistingUsername() {
-        var response = restClient
-                .withBasicAuth("rashidi.zin", "jU$7d3m0pL3a$eRe|ax")
-                .getForEntity("/users/{username}", UserWithoutId.class, "zaid.zin");
-
-        assertThat(response.getStatusCode()).isEqualTo(NOT_FOUND);
-    }
-
-    @Test
-    @DisplayName("Given there is no authentication When I request for the username Then response status should be UNAUTHORIZED")
-    void withoutAuthentication() {
-        var response = restClient.getForEntity("/users/{username}", UserWithoutId.class, "rashidi.zin");
-
-        assertThat(response.getStatusCode()).isEqualTo(UNAUTHORIZED);
-    }
-
-}
-
 @SpringBootTest(webEnvironment = RANDOM_PORT, properties = {
         "spring.jpa.hibernate.ddl-auto=create-drop",
         "spring.security.user.name=rashidi.zin",