TSK-1758: fixed state and domain filter in Reporting REST API.

rest/taskana-rest-spring/src/main/java/pro/taskana/monitor/rest/TimeIntervalReportFilterParameter.java

@@ -308,9 +308,9 @@ public class TimeIntervalReportFilterParameter
   @ConstructorProperties({
     "in-working-days",
     "workbasket-id",
-    "states",
+    "state",
     "classification-category",
-    "domains",
+    "domain",
     "classification-id",
     "excluded-classification-id",
     "custom-1",

rest/taskana-rest-spring/src/test/java/pro/taskana/monitor/rest/MonitorControllerIntTest.java

@@ -111,6 +111,30 @@ class MonitorControllerIntTest {
         .containsExactly(new int[] {0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0});
   }
 
+  @Test
+  void should_ApplyStateFilterAndComputeReport_When_QueryingForAWorkbasketReport() {
+    String url =
+        restHelper.toUrl(RestEndpoints.URL_MONITOR_WORKBASKET_REPORT)
+            + "?workbasket-id=WBI:100000000000000000000000000000000008"
+            + "&state=READY"
+            + "&state=CLAIMED";
+    HttpEntity<?> auth = new HttpEntity<>(RestHelper.generateHeadersForUser("monitor"));
+
+    ResponseEntity<ReportRepresentationModel> response =
+        TEMPLATE.exchange(
+            url,
+            HttpMethod.GET,
+            auth,
+            ParameterizedTypeReference.forType(ReportRepresentationModel.class));
+
+    ReportRepresentationModel report = response.getBody();
+    assertThat(report).isNotNull();
+    assertThat(report.getSumRow())
+        .extracting(RowRepresentationModel::getCells)
+        // expecting 4 tasks due tomorrow (RELATIVE_DATE(1))
+        .containsExactly(new int[] {0, 0, 0, 0, 0, 0, 0, 4, 0, 0, 0, 0, 0});
+  }
+
   @Test
   void should_ComputeWorkbasketPriorityReport_When_QueryingForAWorkbasketPriorityReport() {
     String url =