Added test for previous commit

spring-cloud-function-deployer/src/main/java/org/springframework/cloud/function/deployer/FunctionArchiveDeployer.java

@@ -187,6 +187,9 @@ class FunctionArchiveDeployer extends JarLauncher {
 
 	private boolean isBootApplicationWithMain() {
 		try {
+			if (this.getArchive().getManifest() == null) {
+				return false;
+			}
 			return StringUtils.hasText(this.getArchive().getManifest().getMainAttributes().getValue("Start-Class"));
 		}
 		catch (Exception e) {

spring-cloud-function-deployer/src/main/java/org/springframework/cloud/function/deployer/FunctionDeployerConfiguration.java

@@ -46,6 +46,7 @@ import org.springframework.core.env.ConfigurableEnvironment;
  * and {@link SmartLifecycle#stop()} operations.
  * <br>
  * @author Oleg Zhurakousky
+ * @author Eric Bottard
  *
  * @since 3.0
  *