Add test for priority of looking up supplier in GET mapping

spring-cloud-function-web/src/test/java/org/springframework/cloud/function/web/RestApplicationTests.java

@@ -211,6 +211,11 @@ public class RestApplicationTests {
 		assertThat(rest.getForObject("/wrap/123", String.class)).isEqualTo("..123..");
 	}
 
+	@Test
+	public void supplierFirst() {
+		assertThat(rest.getForObject("/not/a/function", String.class)).isEqualTo("hello");
+	}
+
 	@Test
 	public void convertGetJson() throws Exception {
 		assertThat(rest
@@ -232,14 +237,12 @@ public class RestApplicationTests {
 
 	@Test
 	public void uppercaseJsonStream() throws Exception {
-		assertThat(
-				rest.exchange(
-						RequestEntity.post(new URI("/maps"))
-								.contentType(MediaType.APPLICATION_JSON)
-								// TODO: make this work without newline separator
-								.body("{\"value\":\"foo\"}\n{\"value\":\"bar\"}"),
-						String.class).getBody())
-								.isEqualTo("{\"value\":\"FOO\"}{\"value\":\"BAR\"}");
+		assertThat(rest
+				.exchange(RequestEntity.post(new URI("/maps"))
+						.contentType(MediaType.APPLICATION_JSON)
+						// TODO: make this work without newline separator
+						.body("{\"value\":\"foo\"}\n{\"value\":\"bar\"}"), String.class)
+				.getBody()).isEqualTo("{\"value\":\"FOO\"}{\"value\":\"BAR\"}");
 	}
 
 	@Test
@@ -311,6 +314,16 @@ public class RestApplicationTests {
 			return () -> Flux.fromIterable(Collections.emptyList());
 		}
 
+		@Bean("not/a/function")
+		public Supplier<Flux<String>> supplier() {
+			return () -> Flux.just("hello");
+		}
+
+		@Bean("not/a")
+		public Function<Flux<String>, Flux<String>> function() {
+			return input -> Flux.just("bye");
+		}
+
 		@Bean
 		public Supplier<Flux<String>> timeout() {
 			return () -> Flux.create(emitter -> {