diff --git a/test/tabline.vim b/test/tabline.vim
index 8f28a6d..304b1be 100644
--- a/test/tabline.vim
+++ b/test/tabline.vim
@@ -24,8 +24,10 @@ function! s:suite.tabline_disabled()
   call s:assert.equals(&tabline, '')
 endfunction
 
-function! s:tab(number, active, last) abort
-  return '%' . a:number . 'T%{lightline#onetab(' . a:number . ',' . a:active . ')}' . (a:last ? '%T' : '')
+function! s:tab(number, ...) abort
+  let active = get(a:000, 0, 0)
+  let last = get(a:000, 1, 0)
+  return '%' . a:number . 'T%{lightline#onetab(' . a:number . ',' . active . ')}' . (last ? '%T' : '')
 endfunction
 
 function! s:suite.init()
@@ -34,40 +36,40 @@ endfunction
 
 function! s:suite.tabnew()
   tabnew
-  call s:assert.equals(lightline#tabs(), [[s:tab(1, 0, 0)], [s:tab(2, 1, 1)], []])
+  call s:assert.equals(lightline#tabs(), [[s:tab(1)], [s:tab(2, 1, 1)], []])
 endfunction
 
 function! s:suite.tabnew_tabnew()
   tabnew
   tabnew
-  call s:assert.equals(lightline#tabs(), [[s:tab(1, 0, 0), s:tab(2, 0, 0)], [s:tab(3, 1, 1)], []])
+  call s:assert.equals(lightline#tabs(), [[s:tab(1), s:tab(2)], [s:tab(3, 1, 1)], []])
 endfunction
 
 function! s:suite.tabnew_tabfirst()
   tabnew
   tabfirst
-  call s:assert.equals(lightline#tabs(), [[], [s:tab(1, 1, 0)], [s:tab(2, 0, 1)]])
+  call s:assert.equals(lightline#tabs(), [[], [s:tab(1, 1)], [s:tab(2, 0, 1)]])
 endfunction
 
 function! s:suite.tabnew_tabnew_tabfirst()
   tabnew
   tabnew
   tabfirst
-  call s:assert.equals(lightline#tabs(), [[], [s:tab(1, 1, 0)], [s:tab(2, 0, 0), s:tab(3, 0, 1)]])
+  call s:assert.equals(lightline#tabs(), [[], [s:tab(1, 1)], [s:tab(2), s:tab(3, 0, 1)]])
 endfunction
 
 function! s:suite.tabnew_tabnew_tabprevious()
   tabnew
   tabnew
   tabprevious
-  call s:assert.equals(lightline#tabs(), [[s:tab(1, 0, 0)], [s:tab(2, 1, 0)], [s:tab(3, 0, 1)]])
+  call s:assert.equals(lightline#tabs(), [[s:tab(1)], [s:tab(2, 1)], [s:tab(3, 0, 1)]])
 endfunction
 
 function! s:suite.tabnew_20()
   for i in range(19)
     tabnew
   endfor
-  call s:assert.equals(lightline#tabs(), [[s:tab(1, 0, 0), s:tab(2, 0, 0), s:tab(3, 0, 0), s:tab(4, 0, 0), '...', s:tab(16, 0, 0), s:tab(17, 0, 0), s:tab(18, 0, 0), s:tab(19, 0, 0)], [s:tab(20, 1, 1)], []])
+  call s:assert.equals(lightline#tabs(), [[s:tab(1), s:tab(2), s:tab(3), s:tab(4), '...', s:tab(16), s:tab(17), s:tab(18), s:tab(19)], [s:tab(20, 1, 1)], []])
 endfunction
 
 function! s:suite.tabnew_20_tabfirst()
@@ -75,7 +77,7 @@ function! s:suite.tabnew_20_tabfirst()
     tabnew
   endfor
   tabfirst
-  call s:assert.equals(lightline#tabs(), [[], [s:tab(1, 1, 0)], [s:tab(2, 0, 0), s:tab(3, 0, 0), s:tab(4, 0, 0), s:tab(5, 0, 0), '...', s:tab(17, 0, 0), s:tab(18, 0, 0), s:tab(19, 0, 0), s:tab(20, 0, 1)]])
+  call s:assert.equals(lightline#tabs(), [[], [s:tab(1, 1)], [s:tab(2), s:tab(3), s:tab(4), s:tab(5), '...', s:tab(17), s:tab(18), s:tab(19), s:tab(20, 0, 1)]])
 endfunction
 
 function! s:suite.tabnew_20_tabfirst_tabnext()
@@ -84,7 +86,7 @@ function! s:suite.tabnew_20_tabfirst_tabnext()
   endfor
   tabfirst
   tabnext
-  call s:assert.equals(lightline#tabs(), [[s:tab(1, 0, 0)], [s:tab(2, 1, 0)], [s:tab(3, 0, 0), s:tab(4, 0, 0), s:tab(5, 0, 0), s:tab(6, 0, 0), '...', s:tab(18, 0, 0), s:tab(19, 0, 0), s:tab(20, 0, 1)]])
+  call s:assert.equals(lightline#tabs(), [[s:tab(1)], [s:tab(2, 1)], [s:tab(3), s:tab(4), s:tab(5), s:tab(6), '...', s:tab(18), s:tab(19), s:tab(20, 0, 1)]])
 endfunction
 
 function! s:suite.tabnew_20_tabnext_10()
@@ -92,7 +94,7 @@ function! s:suite.tabnew_20_tabnext_10()
     tabnew
   endfor
   tabnext 10
-  call s:assert.equals(lightline#tabs(), [[s:tab(1, 0, 0), s:tab(2, 0, 0), '...', s:tab(8, 0, 0), s:tab(9, 0, 0)], [s:tab(10, 1, 0)], [s:tab(11, 0, 0), s:tab(12, 0, 0), '...', s:tab(19, 0, 0), s:tab(20, 0, 1)]])
+  call s:assert.equals(lightline#tabs(), [[s:tab(1), s:tab(2), '...', s:tab(8), s:tab(9)], [s:tab(10, 1)], [s:tab(11), s:tab(12), '...', s:tab(19), s:tab(20, 0, 1)]])
 endfunction
 
 function! s:suite.tabnew_20_tabprevious()
@@ -100,7 +102,7 @@ function! s:suite.tabnew_20_tabprevious()
     tabnew
   endfor
   tabprevious
-  call s:assert.equals(lightline#tabs(), [[s:tab(1, 0, 0), s:tab(2, 0, 0), s:tab(3, 0, 0), '...', s:tab(15, 0, 0), s:tab(16, 0, 0), s:tab(17, 0, 0), s:tab(18, 0, 0)], [s:tab(19, 1, 0)], [s:tab(20, 0, 1)]])
+  call s:assert.equals(lightline#tabs(), [[s:tab(1), s:tab(2), s:tab(3), '...', s:tab(15), s:tab(16), s:tab(17), s:tab(18)], [s:tab(19, 1)], [s:tab(20, 0, 1)]])
 endfunction
 
 function! s:suite.tabnew_20_tabprevious_tabprevious()
@@ -109,7 +111,7 @@ function! s:suite.tabnew_20_tabprevious_tabprevious()
   endfor
   tabprevious
   tabprevious
-  call s:assert.equals(lightline#tabs(), [[s:tab(1, 0, 0), s:tab(2, 0, 0), s:tab(3, 0, 0), '...', s:tab(15, 0, 0), s:tab(16, 0, 0), s:tab(17, 0, 0)], [s:tab(18, 1, 0)], [s:tab(19, 0, 0), s:tab(20, 0, 1)]])
+  call s:assert.equals(lightline#tabs(), [[s:tab(1), s:tab(2), s:tab(3), '...', s:tab(15), s:tab(16), s:tab(17)], [s:tab(18, 1)], [s:tab(19), s:tab(20, 0, 1)]])
 endfunction
 
 function! s:suite.onetab()