Add missing super() calls

Closes gh-12459

spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/cassandra/CassandraHealthIndicator.java

@@ -46,6 +46,7 @@ public class CassandraHealthIndicator extends AbstractHealthIndicator {
 	 * @param cassandraOperations the Cassandra operations
 	 */
 	public CassandraHealthIndicator(CassandraOperations cassandraOperations) {
+		super("Cassandra health check failed");
 		Assert.notNull(cassandraOperations, "CassandraOperations must not be null");
 		this.cassandraOperations = cassandraOperations;
 	}

spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/couchbase/CouchbaseHealthIndicator.java

@@ -42,6 +42,7 @@ public class CouchbaseHealthIndicator extends AbstractHealthIndicator {
 	}
 
 	public CouchbaseHealthIndicator(CouchbaseOperations couchbaseOperations) {
+		super("Couchbase health check failed");
 		Assert.notNull(couchbaseOperations, "CouchbaseOperations must not be null");
 		this.operations = couchbaseOperations;
 	}