Fix checkstyle javadoc issues

Fix checkstyle issues in javadoc following the spring-javaformat
upgrade.

See gh-13932

spring-boot-project/spring-boot-test/src/main/java/org/springframework/boot/test/context/assertj/ApplicationContextAssert.java

@@ -42,7 +42,7 @@ import static org.assertj.core.api.Assertions.assertThat;
  * AssertJ {@link org.assertj.core.api.Assert assertions} that can be applied to an
  * {@link ApplicationContext}.
  *
- * @param <C> The application context type
+ * @param <C> the application context type
  * @author Phillip Webb
  * @author Andy Wilkinson
  * @since 2.0.0

spring-boot-project/spring-boot-test/src/main/java/org/springframework/boot/test/context/assertj/ApplicationContextAssertProvider.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2017 the original author or authors.
+ * Copyright 2012-2018 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.
@@ -41,7 +41,7 @@ import org.springframework.util.Assert;
  * Any {@link ApplicationContext} method called on a context that has failed to start will
  * throw an {@link IllegalStateException}.
  *
- * @param <C> The application context type
+ * @param <C> the application context type
  * @author Phillip Webb
  * @see AssertableApplicationContext
  * @see AssertableWebApplicationContext

spring-boot-project/spring-boot-test/src/main/java/org/springframework/boot/test/context/runner/AbstractApplicationContextRunner.java

@@ -84,9 +84,9 @@ import org.springframework.util.Assert;
  * }</pre>
  * <p>
  *
- * @param <SELF> The "self" type for this runner
- * @param <C> The context type
- * @param <A> The application context assertion provider
+ * @param <SELF> the "self" type for this runner
+ * @param <C> the context type
+ * @param <A> the application context assertion provider
  * @author Stephane Nicoll
  * @author Andy Wilkinson
  * @author Phillip Webb

spring-boot-project/spring-boot-test/src/main/java/org/springframework/boot/test/context/runner/ContextConsumer.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2017 the original author or authors.
+ * Copyright 2012-2018 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.
@@ -24,7 +24,7 @@ import org.springframework.context.ApplicationContext;
  *
  * @author Stephane Nicoll
  * @author Andy Wilkinson
- * @param <C> The application context type
+ * @param <C> the application context type
  * @since 2.0.0
  * @see AbstractApplicationContextRunner
  */

spring-boot-project/spring-boot-test/src/main/java/org/springframework/boot/test/json/AbstractJsonMarshalTester.java

@@ -352,7 +352,7 @@ public abstract class AbstractJsonMarshalTester<T> {
 	 * Utility class used to support field initialization. Used by subclasses to support
 	 * {@code initFields}.
 	 *
-	 * @param <M> The marshaller type
+	 * @param <M> the marshaller type
 	 */
 	protected abstract static class FieldInitializer<M> {
 

spring-boot-project/spring-boot-test/src/main/java/org/springframework/boot/test/json/BasicJsonTester.java

@@ -101,7 +101,7 @@ public class BasicJsonTester {
 	 * Create JSON content from the specified String source. The source can contain the
 	 * JSON itself or, if it ends with {@code .json}, the name of a resource to be loaded
 	 * using {@code resourceLoadClass}.
-	 * @param source JSON content or a {@code .json} resource name
+	 * @param source the JSON content or a {@code .json} resource name
 	 * @return the JSON content
 	 */
 	public JsonContent<Object> from(CharSequence source) {

spring-boot-project/spring-boot-test/src/main/java/org/springframework/boot/test/json/ObjectContentAssert.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2017 the original author or authors.
+ * Copyright 2012-2018 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.
@@ -28,7 +28,7 @@ import org.assertj.core.internal.Objects;
 /**
  * AssertJ {@link Assert} for {@link ObjectContent}.
  *
- * @param <A> The actual type
+ * @param <A> the actual type
  * @author Phillip Webb
  * @since 1.4.0
  */