Fix failing test due to SPR-14093

spring-boot-actuator/src/test/java/org/springframework/boot/actuate/autoconfigure/EndpointWebMvcAutoConfigurationTests.java

@@ -68,6 +68,7 @@ import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.context.annotation.Import;
 import org.springframework.http.HttpMethod;
+import org.springframework.http.HttpStatus;
 import org.springframework.http.client.ClientHttpRequest;
 import org.springframework.http.client.ClientHttpResponse;
 import org.springframework.http.client.SimpleClientHttpRequestFactory;
@@ -496,6 +497,9 @@ public class EndpointWebMvcAutoConfigurationTests {
 				.createRequest(new URI("http://localhost:" + port + url), HttpMethod.GET);
 		try {
 			ClientHttpResponse response = request.execute();
+			if (HttpStatus.NOT_FOUND.equals(response.getStatusCode())) {
+				throw new FileNotFoundException();
+			}
 			try {
 				String actual = StreamUtils.copyToString(response.getBody(),
 						Charset.forName("UTF-8"));