Add note about expectNextRecord to javadoc

fluent-kafka-streams-tests/src/main/java/com/bakdata/fluent_kafka_streams_tests/BaseOutput.java

@@ -76,7 +76,10 @@ public <VR> TestOutput<K, VR> withValueSerde(final Serde<VR> valueSerde) {
     }
 
     /**
-     * Reads the next record as creates an {@link Expectation} for it.<br/>
+     * Reads the next record and creates an {@link Expectation} for it.<br/>
+     *
+     * Note that calling `.expectNextRecord()` by itself without chaining at least one of the `.has*` methods will not
+     * check for the existence of a next record!<br/>
      *
      * @return An {@link Expectation} containing the next record from the output.<br/>
      */

fluent-kafka-streams-tests/src/main/java/com/bakdata/fluent_kafka_streams_tests/Expectation.java

@@ -113,7 +113,7 @@ public Expectation<K, V> and() {
     }
 
     /**
-     * <p>Reads the next record as creates an {@code Expectation} for it.</p>
+     * <p>Reads the next record and creates an {@code Expectation} for it.</p>
      * <p>This is logically equivalent to {@link TestOutput#expectNextRecord()}.</p>
      * <p>This methods main purpose is to allow chaining:</p>
      * <pre>{@code

fluent-kafka-streams-tests/src/main/java/com/bakdata/fluent_kafka_streams_tests/TestOutput.java

@@ -118,7 +118,7 @@ default <VR> TestOutput<K, VR> withValueType(final Class<VR> valueType) {
     ProducerRecord<K, V> readOneRecord();
 
     /**
-     * Reads the next record as creates an {@link Expectation} for it.
+     * Reads the next record and creates an {@link Expectation} for it.
      *
      * @return An {@link Expectation} containing the next record from the output.
      */