[SB 3] Fix checkstyle in http-request-function. (#406)

* [SB 3] Fix checkstyle in http-request-function.

function/http-request-function/src/test/java/org/springframework/cloud/fn/http/request/HttpRequestFunctionTestApplicationTests.java

@@ -161,7 +161,8 @@ public class HttpRequestFunctionTestApplicationTests {
 			try {
 				httpRequestFunction.apply(new GenericMessage(""));
 				fail("Expected exception");
-			} catch (Throwable throwable) {
+			}
+			catch (Throwable throwable) {
 				assertThat(throwable.getMessage()).contains("Connection refused");
 			}
 		});