Skip vdiffr tests on travis as they are not robust

As can be seen in the miniscule change seen on R-devel in the reference
plot updated with this commit

1 files changed, 2 insertions, 1 deletions

diff --git a/man/summary.saem.mmkin.Rd b/man/summary.saem.mmkin.Rd
index f3e3fde3..67cb3cbb 100644
--- a/man/summary.saem.mmkin.Rd
+++ b/man/summary.saem.mmkin.Rd
@@ -87,7 +87,8 @@ ds_syn_dfop_sfo <- lapply(ds_mean_dfop_sfo, function(ds) {
 
 \dontrun{
 # Evaluate using mmkin and saem
-f_mmkin_dfop_sfo <- mmkin(list(dfop_sfo), ds_syn_dfop_sfo, quiet = TRUE, error_model = "tc", cores = 5)
+f_mmkin_dfop_sfo <- mmkin(list(dfop_sfo), ds_syn_dfop_sfo,
+  quiet = TRUE, error_model = "tc", cores = 5)
 f_saem_dfop_sfo <- saem(f_mmkin_dfop_sfo)
 summary(f_saem_dfop_sfo, data = TRUE)
 }