### Question:
HealthCheckResult { public HealthCheckResult nullableMessage(String nullableMessage) { this.nullableMessage = JsonNullable.<String>of(nullableMessage); return this; }  HealthCheckResult nullableMessage(String nullableMessage); @javax.annotation.Nullable @ApiModelProperty(value = "") @JsonIgnore String getNullableMessage(); @JsonProperty(JSON_PROPERTY_NULLABLE_MESSAGE) @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS) JsonNullable<String> getNullableMessage_JsonNullable(); @JsonProperty(JSON_PROPERTY_NULLABLE_MESSAGE) void setNullableMessage_JsonNullable(JsonNullable<String> nullableMessage); void setNullableMessage(String nullableMessage); @Override boolean equals(Object o); @Override int hashCode(); @Override String toString(); static final String JSON_PROPERTY_NULLABLE_MESSAGE; }### Answer:
@Test public void nullableMessageTest() { }