use expect_equal in test-imprr_direct

tests/testthat/test-imprr_direct.R

@@ -1,13 +1,22 @@
 test_that("plug-in estimation works", {
-
-data("identity")
-
-example_direct <- imprr_direct(identity,
-                               J = 4,
-                               main_q = "app_identity",
-                               anc_correct = "anc_correct_identity",
-                               n_bootstrap = 10)
-
-
+  ## Otherwise identity data not correctly called
+  ## data("identity") does not work (not sure why?)
+  identity <- rankingQ::identity
+  example_direct <- imprr_direct(
+    identity,
+    J = 4,
+    main_q = "app_identity",
+    anc_correct = "anc_correct_identity",
+    n_bootstrap = 10
+  )
+  expect_equal(
+    example_direct$est_p_random,
+    structure(
+      list(
+        mean = 0.315068713332798, lower = 0.289994374347022,
+        upper = 0.344265852286426
+      ),
+      row.names = c(NA, -1L), class = "data.frame"
+    )
+  )
 })
-