Use a timeout != 0 in InvocableHandlerMethodTests

spring-webflux/src/test/java/org/springframework/web/reactive/result/method/InvocableHandlerMethodTests.java

@@ -58,6 +58,9 @@ import static org.springframework.mock.http.server.reactive.test.MockServerHttpR
  */
 public class InvocableHandlerMethodTests {
 
+	private static final Duration TIMEOUT = Duration.ofSeconds(5);
+
+
 	private final MockServerWebExchange exchange = MockServerWebExchange.from(get("http://localhost:8080/path"));
 
 	private final List<HandlerMethodArgumentResolver> resolvers = new ArrayList<>();
@@ -177,7 +180,7 @@ public class InvocableHandlerMethodTests {
 		HandlerResult result = invokeForResult(new TestController(), method);
 
 		assertThat(result).as("Expected no result (i.e. fully handled)").isNull();
-		assertThat(this.exchange.getResponse().getBodyAsString().block(Duration.ZERO)).isEqualTo("body");
+		assertThat(this.exchange.getResponse().getBodyAsString().block(TIMEOUT)).isEqualTo("body");
 	}
 
 	@Test
@@ -197,7 +200,7 @@ public class InvocableHandlerMethodTests {
 		HandlerResult result = invokeForResult(new TestController(), method);
 
 		assertThat(result).as("Expected no result (i.e. fully handled)").isNull();
-		assertThat(this.exchange.getResponse().getBodyAsString().block(Duration.ZERO)).isEqualTo("body");
+		assertThat(this.exchange.getResponse().getBodyAsString().block(TIMEOUT)).isEqualTo("body");
 	}
 
 	@Test