diff --git a/tests/testthat/test-hyp_dots.R b/tests/testthat/test-hyp_dots.R
index 9ffc7f5..af2265c 100644
--- a/tests/testthat/test-hyp_dots.R
+++ b/tests/testthat/test-hyp_dots.R
@@ -7,7 +7,7 @@ hyp_dots_tests <- function(hyp_obj, return_obj=FALSE) {
     expect_silent(hyp_dots(hyp_obj, size_by="genesets"))
     expect_silent(hyp_dots(hyp_obj, size_by="significance"))
     expect_silent(hyp_dots(hyp_obj, size_by="none"))
-    p <- hyp_dots(hyp_obj, "gg")
+    p <- hyp_dots(hyp_obj)
     expect_is(p, "gg")
     if (return_obj) return(hyp_obj)
 }
@@ -17,11 +17,11 @@ test_that("hyp_dots() is working", {
     testdat <- readRDS(file.path(system.file("extdata", package="hypeR"), "testdat.rds"))
     gsets_obj <- testdat$gsets
     rgsets_obj <- testdat$rgsets
-    
+
     # Overrepresentation (signature)
     signature <- testdat$signature
     experiment <- testdat$experiment
-    
+
     hypeR(signature, gsets_obj, test="hypergeometric", background=100) %>%
     hyp_dots_tests()
     hypeR(signature, rgsets_obj, test="hypergeometric", background=100) %>%
@@ -31,7 +31,7 @@ test_that("hyp_dots() is working", {
     expect_equal(length(p), 3)
     expect_equal(names(p), c("Signature 1", "Signature 2", "Signature 3"))
     expect_is(p[["Signature 3"]], "gg")
-    
+
     # Enrichment (ranked signature)
     signature <- names(testdat$weighted_signature)
     experiment <- lapply(testdat$weighted_experiment, names)
@@ -45,11 +45,11 @@ test_that("hyp_dots() is working", {
     expect_equal(length(p), 3)
     expect_equal(names(p), c("Signature 1", "Signature 2", "Signature 3"))
     expect_is(p[["Signature 3"]], "gg")
-        
+
     # Enrichment (weighted signature)
     signature <- testdat$weighted_signature
     experiment <- testdat$weighted_experiment
-    
+
     hypeR(signature, gsets_obj, test="kstest") %>%
     hyp_dots_tests()
     hypeR(signature, rgsets_obj, test="kstest") %>%