#653 - Filter out other buffers for loclist jumping

test/test_loclist_jumping.vader

@@ -1,7 +1,8 @@
 Before:
   let g:ale_buffer_info = {
-  \ bufnr('%'): {
+  \ bufnr(''): {
   \   'loclist': [
+  \     {'bufnr': bufnr('') - 1, 'lnum': 3, 'col': 2},
   \     {'bufnr': bufnr(''), 'lnum': 1, 'col': 2},
   \     {'bufnr': bufnr(''), 'lnum': 1, 'col': 3},
   \     {'bufnr': bufnr(''), 'lnum': 2, 'col': 1},
@@ -9,6 +10,7 @@ Before:
   \     {'bufnr': bufnr(''), 'lnum': 2, 'col': 3},
   \     {'bufnr': bufnr(''), 'lnum': 2, 'col': 6},
   \     {'bufnr': bufnr(''), 'lnum': 2, 'col': 700},
+  \     {'bufnr': bufnr('') + 1, 'lnum': 3, 'col': 2},
   \   ],
   \ },
   \}
@@ -32,7 +34,6 @@ After:
 Given foobar (Some imaginary filetype):
   12345678
   12345678
-  
 
 Execute(loclist jumping should jump correctly when not wrapping):
   AssertEqual [2, 1], TestJump('before', 0, [2, 2])
@@ -77,6 +78,9 @@ Execute(We shouldn't move when jumping to the first item where there are none):
   AssertEqual [1, 6], TestJump(0, 0, [1, 6])
 
 Execute(We should be able to jump when the error line is blank):
+  " Add a blank line at the end.
+  call setline(1, getline('.', '$') + [''])
+  " Add a problem on the blank line.
   call add(g:ale_buffer_info[bufnr('%')].loclist, {'bufnr': bufnr(''), 'lnum': 3, 'col': 1})
 
   AssertEqual 0, len(getline(3))