diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ea54c54f..916f3a9b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -20,25 +20,16 @@ jobs:
     steps:
     - name: Checkout code
       uses: actions/checkout@main
+      with:
+        repository: thinca/vim-themis
+        path: vim-themis
 
     - name: Setup Vim
       uses: rhysd/action-setup-vim@v1
       with:
         version: ${{ matrix.vim }}
 
-    - name: Install Dependencies
-      run: | 
-        git clone https://github.com/junegunn/vader.vim.git
-        git clone https://github.com/vim-airline/vim-airline
-        find $PWD/autoload/airline/themes -name "*.vim" > themes.txt
     - name: Run Test
-      run: |
-        vim --not-a-term -Nu <(cat << VIMRC
-        filetype off
-        set rtp+=vader.vim
-        set rtp+=vim-airline
-        set rtp+=.
-        set rtp+=after
-        filetype plugin indent on
-        syntax enable
-        VIMRC) -c 'Vader! test/*' > /dev/null
+      env:
+        THEMIS_VIM: ${{ steps.vim.outputs.executable }}
+      run: ./vim-themis/bin/themis test --reporter spec
diff --git a/test/.themisrc b/test/.themisrc
new file mode 100644
index 00000000..468596f4
--- /dev/null
+++ b/test/.themisrc
@@ -0,0 +1,2 @@
+let s:deps = themis#helper('deps')
+call s:deps.git('vim-airline/vim-airline')
diff --git a/test/airline-themes.vim b/test/airline-themes.vim
new file mode 100644
index 00000000..7890fcfe
--- /dev/null
+++ b/test/airline-themes.vim
@@ -0,0 +1,18 @@
+scriptencoding utf-8
+
+let s:themes_dir = expand('<sfile>:h:h') . '/autoload/airline/themes'
+let s:themes = map(glob(s:themes_dir . '/*.vim', 1, 1), 'fnamemodify(v:val, ":t:r")')
+let s:suite = themis#suite('vim-airline-themes')
+
+call themis#helper('command')
+
+function! s:Test(theme)
+  Throws execute('AirlineTheme ' . a:theme)
+endfunction
+
+function! s:suite.__themes__()
+  let child = themis#suite('ExistThemes')
+  for theme in s:themes
+    let child[theme] = funcref('s:Test', [theme])
+  endfor
+endfunction