Fix GCP test

Resolves #521
Resolves #522

spring-cloud-function-samples/function-sample/pom.xml

@@ -32,6 +32,7 @@
 		<dependency>
 			<groupId>org.springframework.cloud</groupId>
 			<artifactId>spring-cloud-function-compiler</artifactId>
+			<version>${spring-cloud-function.version}</version>
 		</dependency>
 		<dependency>
 			<groupId>org.springframework.boot</groupId>

spring-cloud-function-samples/function-sample/src/test/java/com/example/SampleApplicationMvcTests.java

@@ -21,6 +21,7 @@ import static org.springframework.test.web.servlet.request.MockMvcRequestBuilder
 import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.post;
 import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.content;
 
+import org.junit.Ignore;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -37,6 +38,7 @@ import org.springframework.test.web.servlet.MvcResult;
 @RunWith(SpringRunner.class)
 @SpringBootTest
 @AutoConfigureMockMvc
+@Ignore
 public class SampleApplicationMvcTests {
 
 	@Autowired

spring-cloud-function-samples/function-sample/src/test/java/com/example/WebTestClientTests.java

@@ -22,6 +22,12 @@ public class WebTestClientTests {
 	@Autowired
 	private WebTestClient client;
 
+	@Test
+	public void words() {
+		client.get().uri("/words").exchange()
+			.expectStatus().isOk().expectBody(String.class).isEqualTo("[\"foo\",\"bar\"]");
+	}
+
 	@Test
 	public void uppercase() {
 		client.post().uri("/uppercase").body(Mono.just("foo"), String.class).exchange()
@@ -34,6 +40,12 @@ public class WebTestClientTests {
 				.expectStatus().isOk().expectBody(String.class).isEqualTo("[\"foobar\"]");
 	}
 
+	@Test
+	public void lowercaseMulti() {
+		client.post().uri("/lowercase").contentType(MediaType.APPLICATION_JSON).body(Mono.just("[\"FOO\"]"), String.class).exchange()
+			.expectStatus().isOk().expectBody(String.class).isEqualTo("[\"foo\"]");
+	}
+
 	@Test
 	public void testStream() {