diff --git a/t/highlighter.vim b/t/highlighter.vim
index 658e816..c0f7c38 100644
--- a/t/highlighter.vim
+++ b/t/highlighter.vim
@@ -1,3 +1,5 @@
+let g:airline_theme = 'dark'
+
 describe 'highlighter'
   it 'should create separator highlight groups'
     hi Foo1 ctermfg=1 ctermbg=2
@@ -6,5 +8,13 @@ describe 'highlighter'
     let hl = airline#highlighter#get_highlight('Foo1_to_Foo2')
     Expect hl == [ '', '', '4', '2', '' ]
   end
+
+  it 'should populate accent colors'
+    Expect exists('g:airline#themes#dark#palette.normal.airline_c_red') to_be_false
+    Expect exists('g:airline#themes#dark#palette.insert.airline_c_red') to_be_false
+    call airline#highlighter#add_accent('airline_c', 'red')
+    Expect exists('g:airline#themes#dark#palette.normal.airline_c_red') to_be_true
+    Expect exists('g:airline#themes#dark#palette.insert.airline_c_red') to_be_true
+  end
 end