diff --git a/tests/testthat/test-assaySpec.R b/tests/testthat/test-assaySpec.R
index 99000475..551e1acf 100644
--- a/tests/testthat/test-assaySpec.R
+++ b/tests/testthat/test-assaySpec.R
@@ -31,10 +31,11 @@ test_that("assaySpecServer module works as expected in the test app", {
     load_timeout = 300000
   )
 
+  app$wait_for_idle(timeout = 20000)
+
   ns <- module_ns_shiny2(app)
 
   # Validation message because no assays eligible in first experiment.
-  app$wait_for_idle(timeout = 20000)
   res <- app$get_value(output = ns("result"))
   expect_identical(res$message, "No assays eligible for this experiment, please make sure to add normalized assays")