GH-1897 Fixed javadocs

Fixed javadocs issues that were preventing javadocs from being generated

Resolves #1897

spring-cloud-stream-test-support-internal/pom.xml

@@ -27,4 +27,15 @@
 			<artifactId>spring-boot-starter-logging</artifactId>
 		</dependency>
 	</dependencies>
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-javadoc-plugin</artifactId>
+				<configuration>
+					<skip>true</skip>
+				</configuration>
+			</plugin>
+		</plugins>
+	</build>
 </project>