diff --git a/src/testdir/Make_all.mak b/src/testdir/Make_all.mak
index f8ce3fa..678fc80 100644
--- a/src/testdir/Make_all.mak
+++ b/src/testdir/Make_all.mak
@@ -38,7 +38,6 @@
 	test44.out \
 	test45.out \
 	test48.out \
-	test51.out \
 	test53.out \
 	test55.out \
 	test56.out \
@@ -53,12 +52,9 @@
 	test79.out \
 	test80.out \
 	test88.out \
-	test91.out \
 	test94.out \
 	test95.out \
 	test99.out \
-	test103.out \
-	test107.out \
 	test108.out \
 	test_autoformat_join.out \
 	test_changelist.out \
@@ -140,6 +136,7 @@
 	    test_file_size.res \
 	    test_fnameescape.res \
 	    test_fold.res \
+	    test_getvar.res \
 	    test_gf.res \
 	    test_gn.res \
 	    test_gui.res \
@@ -147,6 +144,7 @@
 	    test_hardcopy.res \
 	    test_help.res \
 	    test_hide.res \
+	    test_highlight.res \
 	    test_history.res \
 	    test_hlsearch.res \
 	    test_increment.res \
diff --git a/src/testdir/Make_vms.mms b/src/testdir/Make_vms.mms
index 41b05a0..4181e0b 100644
--- a/src/testdir/Make_vms.mms
+++ b/src/testdir/Make_vms.mms
@@ -81,17 +81,16 @@
        test33.out test34.out test36.out test37.out \
        test38.out test39.out test40.out test41.out test42.out \
        test43.out test44.out test45.out \
-       test48.out test49.out test51.out test53.out test54.out \
+       test48.out test49.out test53.out test54.out \
        test55.out test56.out test57.out test60.out \
        test64.out \
        test66.out test68.out test69.out \
        test72.out \
        test77a.out test78.out test79.out test80.out \
        test88.out \
-       test91.out test94.out \
+       test94.out \
        test95.out test99.out \
-       test103.out \
-       test107.out test108.out\
+       test108.out\
        test_autocmd_option.out \
        test_autoformat_join.out \
        test_breakindent.out \
diff --git a/src/testdir/test103.in b/src/testdir/test103.in
deleted file mode 100644
index a4c8084..0000000
--- a/src/testdir/test103.in
+++ /dev/null
@@ -1,38 +0,0 @@
-Test for visual mode not being reset causing E315 error.
-STARTTEST
-:so small.vim
-:set belloff=all
-:enew
-:let g:msg="Everything's fine."
-:function! TriggerTheProblem()
-:	" At this point there is no visual selection because :call reset it.
-:	" Let's restore the selection:
-:	normal gv
-:	'<,'>del _
-:	try
-:		exe "normal \<Esc>"
-:	catch /^Vim\%((\a\+)\)\=:E315/
-:		echom 'Snap! E315 error!'
-:		let g:msg='Snap! E315 error!'
-:	endtry
-:endfunction
-:enew
-:setl buftype=nofile
-:call append(line('$'), 'Delete this line.')
-:"
-:"
-:" NOTE: this has to be done by a call to a function because executing :del the
-:"       ex-way will require the colon operator which resets the visual mode thus
-:"       preventing the problem:
-:"
-GV:call TriggerTheProblem()
-:%del _
-:call append(line('$'), g:msg)
-:w! test.out
-:brewind
-ENDTEST
-
-STARTTEST
-:qa!
-ENDTEST
-
diff --git a/src/testdir/test103.ok b/src/testdir/test103.ok
deleted file mode 100644
index 9ea6dd6..0000000
--- a/src/testdir/test103.ok
+++ /dev/null
@@ -1,2 +0,0 @@
-
-Everything's fine.
diff --git a/src/testdir/test107.in b/src/testdir/test107.in
deleted file mode 100644
index 9143380..0000000
--- a/src/testdir/test107.in
+++ /dev/null
@@ -1,38 +0,0 @@
-Tests for adjusting window and contents     vim: set ft=vim :
-
-STARTTEST
-:so small.vim
-:new
-:call setline(1, range(1,256))
-:let r=[]
-:func! GetScreenStr(row)
-:   let str = ""
-:   for c in range(1,3)
-:       let str .= nr2char(screenchar(a:row, c))
-:   endfor
-:   return str
-:endfunc
-:
-:exe ":norm! \<C-W>t\<C-W>=1Gzt\<C-W>w\<C-W>+"
-:let s3=GetScreenStr(1)
-:wincmd p
-:call add(r, [line("w0"), s3])
-:
-:exe ":norm! \<C-W>t\<C-W>=50Gzt\<C-W>w\<C-W>+"
-:let s3=GetScreenStr(1)
-:wincmd p
-:call add(r, [line("w0"), s3])
-:
-:exe ":norm! \<C-W>t\<C-W>=59Gzt\<C-W>w\<C-W>+"
-:let s3=GetScreenStr(1)
-::wincmd p
-:call add(r, [line("w0"), s3])
-:
-:bwipeout!
-:$put=r
-:call garbagecollect(1)
-:"
-:/^start:/,$wq! test.out
-ENDTEST
-
-start:
diff --git a/src/testdir/test107.ok b/src/testdir/test107.ok
deleted file mode 100644
index 3e0eda1..0000000
--- a/src/testdir/test107.ok
+++ /dev/null
@@ -1,4 +0,0 @@
-start:
-[1, '1  ']
-[50, '50 ']
-[59, '59 ']
diff --git a/src/testdir/test51.in b/src/testdir/test51.in
deleted file mode 100644
index b66befb..0000000
--- a/src/testdir/test51.in
+++ /dev/null
@@ -1,36 +0,0 @@
-Tests for ":highlight". vim: set ft=vim :
-
-STARTTEST
-:so small.vim
-:" basic test if ":highlight" doesn't crash
-:highlight
-:hi Search
-:" test setting colors.
-:" test clearing one color and all doesn't generate error or warning
-:hi NewGroup term=bold cterm=italic ctermfg=DarkBlue ctermbg=Grey gui= guifg=#00ff00 guibg=Cyan
-:hi Group2 term= cterm=
-:hi Group3 term=underline cterm=bold
-:redir! >test.out
-:hi NewGroup
-:hi Group2
-:hi Group3
-:hi clear NewGroup
-:hi NewGroup
-:hi Group2
-:hi Group2 NONE
-:hi Group2
-:hi clear
-:hi Group3
-:hi Crash term='asdf
-:redir END
-:" filter ctermfg and ctermbg, the numbers depend on the terminal
-:e! test.out
-:%s/ctermfg=\d*/ctermfg=2/
-:%s/ctermbg=\d*/ctermbg=3/
-:" filter out possibly translated error message
-:%s/E475: [^:]*:/E475:/
-:" fix the fileformat
-:set ff&
-:wq!
-ENDTEST
-
diff --git a/src/testdir/test51.ok b/src/testdir/test51.ok
deleted file mode 100644
index be9ff78..0000000
--- a/src/testdir/test51.ok
+++ /dev/null
@@ -1,20 +0,0 @@
-
-
-NewGroup       xxx term=bold cterm=italic ctermfg=2 ctermbg=3
-
-Group2         xxx cleared
-
-Group3         xxx term=underline cterm=bold
-
-
-NewGroup       xxx cleared
-
-Group2         xxx cleared
-
-
-Group2         xxx cleared
-
-
-Group3         xxx cleared
-
-E475: term='asdf
diff --git a/src/testdir/test91.in b/src/testdir/test91.in
deleted file mode 100644
index c184ac3..0000000
--- a/src/testdir/test91.in
+++ /dev/null
@@ -1,89 +0,0 @@
-Tests for getwinvar(), gettabvar() and gettabwinvar().
-vim: set ft=vim :
-
-STARTTEST
-:so small.vim
-:so mbyte.vim
-:"
-:" Use strings to test for memory leaks.
-:" First, check that in an empty window, gettabvar() returns the correct value
-:let t:testvar='abcd'
-:$put =string(gettabvar(1,'testvar'))
-:$put =string(gettabvar(1,'testvar'))
-:"
-:" test for getwinvar()
-:let w:var_str = "Dance"
-:let def_str = "Chance"
-:$put =string(getwinvar(1, 'var_str'))
-:$put =string(getwinvar(1, 'var_str', def_str))
-:$put =string(getwinvar(1, ''))
-:$put =string(getwinvar(1, '', def_str))
-:unlet w:var_str
-:$put =string(getwinvar(1, 'var_str', def_str))
-:$put =string(getwinvar(1, ''))
-:$put =string(getwinvar(1, '', def_str))
-:$put =string(getwinvar(9, ''))
-:$put =string(getwinvar(9, '', def_str))
-:$put =string(getwinvar(1, '&nu'))
-:$put =string(getwinvar(1, '&nu',  1))
-:unlet def_str
-:"
-:" test for gettabvar()
-:tabnew
-:tabnew
-:let t:var_list = [1, 2, 3]
-:let t:other = 777
-:let def_list = [4, 5, 6, 7]
-:tabrewind
-:$put =string(gettabvar(3, 'var_list'))
-:$put =string(gettabvar(3, 'var_list', def_list))
-:$put =string(gettabvar(3, ''))
-:$put =string(gettabvar(3, '', def_list))
-:tablast
-:unlet t:var_list
-:tabrewind
-:$put =string(gettabvar(3, 'var_list', def_list))
-:$put =string(gettabvar(9, ''))
-:$put =string(gettabvar(9, '', def_list))
-:$put =string(gettabvar(3, '&nu'))
-:$put =string(gettabvar(3, '&nu', def_list))
-:unlet def_list
-:tabonly
-:"
-:" test for gettabwinvar()
-:tabnew
-:tabnew
-:tabprev
-:split
-:split
-:wincmd w
-:vert split
-:wincmd w
-:let w:var_dict = {'dict': 'tabwin'}
-:let def_dict = {'dict2': 'newval'}
-:wincmd b
-:tabrewind
-:$put =string(gettabwinvar(2, 3, 'var_dict'))
-:$put =string(gettabwinvar(2, 3, 'var_dict', def_dict))
-:$put =string(gettabwinvar(2, 3, ''))
-:$put =string(gettabwinvar(2, 3, '', def_dict))
-:tabnext
-:3wincmd w
-:unlet w:var_dict
-:tabrewind
-:$put =string(gettabwinvar(2, 3, 'var_dict', def_dict))
-:$put =string(gettabwinvar(2, 3, ''))
-:$put =string(gettabwinvar(2, 3, '', def_dict))
-:$put =string(gettabwinvar(2, 9, ''))
-:$put =string(gettabwinvar(2, 9, '', def_dict))
-:$put =string(gettabwinvar(9, 3, ''))
-:$put =string(gettabwinvar(9, 3, '', def_dict))
-:unlet def_dict
-:$put =string(gettabwinvar(2, 3, '&nux'))
-:$put =string(gettabwinvar(2, 3, '&nux', 1))
-:tabonly
-:"
-:/^start/,$wq! test.out
-ENDTEST
-
-start:
diff --git a/src/testdir/test91.ok b/src/testdir/test91.ok
deleted file mode 100644
index 2cdf288..0000000
--- a/src/testdir/test91.ok
+++ /dev/null
@@ -1,36 +0,0 @@
-start:
-'abcd'
-'abcd'
-'Dance'
-'Dance'
-{'var_str': 'Dance'}
-{'var_str': 'Dance'}
-'Chance'
-{}
-{}
-''
-'Chance'
-0
-0
-[1, 2, 3]
-[1, 2, 3]
-{'var_list': [1, 2, 3], 'other': 777}
-{'var_list': [1, 2, 3], 'other': 777}
-[4, 5, 6, 7]
-''
-[4, 5, 6, 7]
-''
-[4, 5, 6, 7]
-{'dict': 'tabwin'}
-{'dict': 'tabwin'}
-{'var_dict': {'dict': 'tabwin'}}
-{'var_dict': {'dict': 'tabwin'}}
-{'dict2': 'newval'}
-{}
-{}
-''
-{'dict2': 'newval'}
-''
-{'dict2': 'newval'}
-''
-1
diff --git a/src/testdir/test_getvar.vim b/src/testdir/test_getvar.vim
new file mode 100644
index 0000000..0f5dff5
--- /dev/null
+++ b/src/testdir/test_getvar.vim
@@ -0,0 +1,88 @@
+" Tests for getwinvar(), gettabvar() and gettabwinvar().
+func Test_var()
+  " Use strings to test for memory leaks.  First, check that in an empty
+  " window, gettabvar() returns the correct value
+  let t:testvar='abcd'
+  call assert_equal('abcd', gettabvar(1, 'testvar'))
+  call assert_equal('abcd', gettabvar(1, 'testvar'))
+
+  " test for getwinvar()
+  let w:var_str = "Dance"
+  let def_str = "Chance"
+  call assert_equal('Dance', getwinvar(1, 'var_str'))
+  call assert_equal('Dance', getwinvar(1, 'var_str', def_str))
+  call assert_equal({'var_str': 'Dance'}, getwinvar(1, ''))
+  call assert_equal({'var_str': 'Dance'}, getwinvar(1, '', def_str))
+  unlet w:var_str
+  call assert_equal('Chance', getwinvar(1, 'var_str', def_str))
+  call assert_equal({}, getwinvar(1, ''))
+  call assert_equal({}, getwinvar(1, '', def_str))
+  call assert_equal('', getwinvar(9, ''))
+  call assert_equal('Chance', getwinvar(9, '', def_str))
+  call assert_equal(0, getwinvar(1, '&nu'))
+  call assert_equal(0, getwinvar(1, '&nu', 1))
+  unlet def_str
+
+  " test for gettabvar()
+  tabnew
+  tabnew
+  let t:var_list = [1, 2, 3]
+  let t:other = 777
+  let def_list = [4, 5, 6, 7]
+  tabrewind
+  call assert_equal([1, 2, 3], gettabvar(3, 'var_list'))
+  call assert_equal([1, 2, 3], gettabvar(3, 'var_list', def_list))
+  call assert_equal({'var_list': [1, 2, 3], 'other': 777}, gettabvar(3, ''))
+  call assert_equal({'var_list': [1, 2, 3], 'other': 777},
+					\ gettabvar(3, '', def_list))
+
+  tablast
+  unlet t:var_list
+  tabrewind
+  call assert_equal([4, 5, 6, 7], gettabvar(3, 'var_list', def_list))
+  call assert_equal('', gettabvar(9, ''))
+  call assert_equal([4, 5, 6, 7], gettabvar(9, '', def_list))
+  call assert_equal('', gettabvar(3, '&nu'))
+  call assert_equal([4, 5, 6, 7], gettabvar(3, '&nu', def_list))
+  unlet def_list
+  tabonly
+
+  " test for gettabwinvar()
+  tabnew
+  tabnew
+  tabprev
+  split
+  split
+  wincmd w
+  vert split
+  wincmd w
+  let w:var_dict = {'dict': 'tabwin'}
+  let def_dict = {'dict2': 'newval'}
+  wincmd b
+  tabrewind
+  call assert_equal({'dict': 'tabwin'}, gettabwinvar(2, 3, 'var_dict'))
+  call assert_equal({'dict': 'tabwin'},
+				\ gettabwinvar(2, 3, 'var_dict', def_dict))
+  call assert_equal({'var_dict': {'dict': 'tabwin'}}, gettabwinvar(2, 3, ''))
+  call assert_equal({'var_dict': {'dict': 'tabwin'}},
+				\ gettabwinvar(2, 3, '', def_dict))
+
+  tabnext
+  3wincmd w
+  unlet w:var_dict
+  tabrewind
+  call assert_equal({'dict2': 'newval'},
+				\ gettabwinvar(2, 3, 'var_dict', def_dict))
+  call assert_equal({}, gettabwinvar(2, 3, ''))
+  call assert_equal({}, gettabwinvar(2, 3, '', def_dict))
+  call assert_equal("", gettabwinvar(2, 9, ''))
+  call assert_equal({'dict2': 'newval'}, gettabwinvar(2, 9, '', def_dict))
+  call assert_equal('', gettabwinvar(9, 3, ''))
+  call assert_equal({'dict2': 'newval'}, gettabwinvar(9, 3, '', def_dict))
+
+  unlet def_dict
+
+  call assert_equal('', gettabwinvar(2, 3, '&nux'))
+  call assert_equal(1, gettabwinvar(2, 3, '&nux', 1))
+  tabonly
+endfunc
diff --git a/src/testdir/test_highlight.vim b/src/testdir/test_highlight.vim
new file mode 100644
index 0000000..acc29e2
--- /dev/null
+++ b/src/testdir/test_highlight.vim
@@ -0,0 +1,36 @@
+" Tests for ":highlight".
+func Test_highlight()
+  " basic test if ":highlight" doesn't crash
+  highlight
+  hi Search
+
+  " test setting colors.
+  " test clearing one color and all doesn't generate error or warning
+  silent! hi NewGroup term=bold cterm=italic ctermfg=DarkBlue ctermbg=Grey gui= guifg=#00ff00 guibg=Cyan
+  silent! hi Group2 term= cterm=
+  hi Group3 term=underline cterm=bold
+
+  let res = split(execute("hi NewGroup"), "\n")[0]
+  " filter ctermfg and ctermbg, the numbers depend on the terminal
+  let res = substitute(res, 'ctermfg=\d*', 'ctermfg=2', '')
+  let res = substitute(res, 'ctermbg=\d*', 'ctermbg=3', '')
+  call assert_equal("NewGroup       xxx term=bold cterm=italic ctermfg=2 ctermbg=3",
+				\ res)
+  call assert_equal("Group2         xxx cleared",
+				\ split(execute("hi Group2"), "\n")[0])
+  call assert_equal("Group3         xxx term=underline cterm=bold",
+				\ split(execute("hi Group3"), "\n")[0])
+
+  hi clear NewGroup
+  call assert_equal("NewGroup       xxx cleared",
+				\ split(execute("hi NewGroup"), "\n")[0])
+  call assert_equal("Group2         xxx cleared",
+				\ split(execute("hi Group2"), "\n")[0])
+  hi Group2 NONE
+  call assert_equal("Group2         xxx cleared",
+				\ split(execute("hi Group2"), "\n")[0])
+  hi clear
+  call assert_equal("Group3         xxx cleared",
+				\ split(execute("hi Group3"), "\n")[0])
+  call assert_fails("hi Crash term='asdf", "E475:")
+endfunc
diff --git a/src/testdir/test_visual.vim b/src/testdir/test_visual.vim
index 97b884f..e4bd100 100644
--- a/src/testdir/test_visual.vim
+++ b/src/testdir/test_visual.vim
@@ -60,3 +60,34 @@
   normal vki'
   bwipe!
 endfunc
+
+" Test for Visual mode not being reset causing E315 error.
+func TriggerTheProblem()
+  " At this point there is no visual selection because :call reset it.
+  " Let's restore the selection:
+  normal gv
+  '<,'>del _
+  try
+      exe "normal \<Esc>"
+  catch /^Vim\%((\a\+)\)\=:E315/
+      echom 'Snap! E315 error!'
+      let g:msg='Snap! E315 error!'
+  endtry
+endfunc
+
+func Test_visual_mode_reset()
+  set belloff=all
+  enew
+  let g:msg="Everything's fine."
+  enew
+  setl buftype=nofile
+  call append(line('$'), 'Delete this line.')
+
+  " NOTE: this has to be done by a call to a function because executing :del
+  " the ex-way will require the colon operator which resets the visual mode
+  " thus preventing the problem:
+  exe "normal! GV:call TriggerTheProblem()\<CR>"
+  call assert_equal("Everything's fine.", g:msg)
+
+  set belloff&
+endfunc
diff --git a/src/testdir/test_window_cmd.vim b/src/testdir/test_window_cmd.vim
index 2402ecf..49bd9fa 100644
--- a/src/testdir/test_window_cmd.vim
+++ b/src/testdir/test_window_cmd.vim
@@ -416,4 +416,42 @@
   bwipe!
 endfunc
 
+" Tests for adjusting window and contents
+func GetScreenStr(row)
+   let str = ""
+   for c in range(1,3)
+       let str .= nr2char(screenchar(a:row, c))
+   endfor
+   return str
+endfunc
+
+func Test_window_contents()
+  enew! | only | new
+  call setline(1, range(1,256))
+
+  exe "norm! \<C-W>t\<C-W>=1Gzt\<C-W>w\<C-W>+"
+  redraw
+  let s3=GetScreenStr(1)
+  wincmd p
+  call assert_equal(1, line("w0"))
+  call assert_equal('1  ', s3)
+
+  exe "norm! \<C-W>t\<C-W>=50Gzt\<C-W>w\<C-W>+"
+  redraw
+  let s3=GetScreenStr(1)
+  wincmd p
+  call assert_equal(50, line("w0"))
+  call assert_equal('50 ', s3)
+
+  exe "norm! \<C-W>t\<C-W>=59Gzt\<C-W>w\<C-W>+"
+  redraw
+  let s3=GetScreenStr(1)
+  wincmd p
+  call assert_equal(59, line("w0"))
+  call assert_equal('59 ', s3)
+
+  bwipeout!
+  call test_garbagecollect_now()
+endfunc
+
 " vim: shiftwidth=2 sts=2 expandtab