Bug#898441: r-cran-afex: autopkgtest regression

[Graham Inggs]

Further investigation shows this is a missing test dependency on 
r-cran-memss, which is not yet packaged in Debian.


-- 1. Error: emmeans works with mixed and expand_er = TRUE 
(@test-emmeans-interf
there is no package called 'MEMSS'
1: data("Machines", package = "MEMSS") at 
testthat/test-emmeans-interface.R:165
2: find.package(package, lib.loc, verbose = verbose)
3: stop(gettextf("there is no package called %s", sQuote(pkg)), domain = NA)

-- 2. Error: mixed works with effects (@test-mixed-effects.R#5) 
---------------
there is no package called 'MEMSS'
1: data("Machines", package = "MEMSS") at testthat/test-mixed-effects.R:5
2: find.package(package, lib.loc, verbose = verbose)
3: stop(gettextf("there is no package called %s", sQuote(pkg)), domain = NA)

...

== testthat results 
===========================================================
OK: 299 SKIPPED: 5 FAILED: 2
1. Error: emmeans works with mixed and expand_er = TRUE 
(@test-emmeans-interface.R#165)
2. Error: mixed works with effects (@test-mixed-effects.R#5)