FEATURE: initial implementation of generic filters for reports

test/javascripts/acceptance/dashboard-test.js.es6

@@ -4,6 +4,18 @@ acceptance("Dashboard", {
   loggedIn: true,
   settings: {
     dashboard_general_tab_activity_metrics: "page_view_total_reqs"
+  },
+  site: {
+    groups: [
+      {
+        id: 88,
+        name: "tl1"
+      },
+      {
+        id: 89,
+        name: "tl2"
+      }
+    ]
   }
 });
 
@@ -86,3 +98,17 @@ QUnit.test("reports tab", async assert => {
     "filter is case insensitive"
   );
 });
+
+QUnit.test("report filters", async assert => {
+  await visit(
+    '/admin/reports/signups?end_date=2018-07-16&filters=%7B"group"%3A88%7D&start_date=2018-06-16'
+  );
+
+  const groupFilter = selectKit(".group-filter .combo-box");
+
+  assert.equal(
+    groupFilter.header().value(),
+    88,
+    "its set the value of the filter from the query params"
+  );
+});