Added checkstyle for tests

spring-cloud-function-adapters/spring-cloud-function-adapter-aws/src/test/java/org/springframework/cloud/function/adapter/aws/SpringBootApiGatewayRequestHandlerTests.java

@@ -1,3 +1,19 @@
+/*
+ * Copyright 2012-2019 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.springframework.cloud.function.adapter.aws;
 
 import java.util.Collections;

spring-cloud-function-adapters/spring-cloud-function-adapter-azure/src/test/java/org/springframework/cloud/function/adapter/azure/AzureSpringBootRequestHandlerTests.java

@@ -188,7 +188,7 @@ class Foo {
 	Foo() {
 	}
 
-	public Foo(String value) {
+	Foo(String value) {
 		this.value = value;
 	}
 
@@ -217,7 +217,7 @@ class Bar {
 	Bar() {
 	}
 
-	public Bar(String value) {
+	Bar(String value) {
 		this.value = value;
 	}
 

spring-cloud-function-adapters/spring-cloud-function-adapter-azure/src/test/java/org/springframework/cloud/function/adapter/azure/AzureSpringFunctionInitializerTests.java

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.cloud.function.adapter.azure;
 
 import java.io.IOException;

spring-cloud-function-adapters/spring-cloud-function-adapter-openwhisk/src/test/java/org/springframework/cloud/function/adapter/openwhisk/OpenWhiskActionHandlerTest.java

@@ -36,14 +36,13 @@ import org.springframework.context.annotation.Scope;
 import org.springframework.test.context.TestPropertySource;
 import org.springframework.test.context.junit4.SpringRunner;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNotNull;
+import static org.assertj.core.api.Assertions.assertThat;
 
 /**
  * @author Kamesh Sampath
  */
 @RunWith(SpringRunner.class)
-@SpringBootTest()
+@SpringBootTest
 @EnableAutoConfiguration
 @TestPropertySource(locations = "classpath:/application-test.properties")
 public class OpenWhiskActionHandlerTest {
@@ -65,9 +64,9 @@ public class OpenWhiskActionHandlerTest {
 		actionRequest.setActionName("test_action");
 		actionRequest.setValue(eventData);
 		Object result = this.actionHandler.run(actionRequest);
-		assertNotNull(result);
-		assertEquals("{\"result\":{\"name\":\"Spring\",\"message\":\"Hello, Spring\"}}",
-				result);
+		assertThat(result).isNotNull();
+		assertThat(result).isEqualTo(
+				"{\"result\":{\"name\":\"Spring\",\"message\":\"Hello, Spring\"}}");
 	}
 
 	@Test
@@ -78,8 +77,8 @@ public class OpenWhiskActionHandlerTest {
 		OpenWhiskActionRequest actionRequest = new OpenWhiskActionRequest();
 		actionRequest.setActionName("test_action");
 		Object result = this.actionHandler.run(actionRequest);
-		assertNotNull(result);
-		assertEquals("{\"result\":\"No input provided\"}", result);
+		assertThat(result).isNotNull();
+		assertThat(result).isEqualTo("{\"result\":\"No input provided\"}");
 	}
 
 	@Configuration