#318 Do not capitalize the first character for cursor messages

test/test_cursor_warnings.vader

@@ -32,7 +32,17 @@ Before:
   \       'nr': -1,
   \       'type': 'E',
   \       'text': 'Missing radix parameter (radix)'
-  \     }
+  \     },
+  \     {
+  \       'lnum': 3,
+  \       'col': 1,
+  \       'bufnr': bufnr('%'),
+  \       'vcol': 0,
+  \       'linter_name': 'eslint',
+  \       'nr': -1,
+  \       'type': 'E',
+  \       'text': 'lowercase error'
+  \     },
   \   ],
   \ },
   \}
@@ -73,6 +83,7 @@ After:
 Given javascript(A Javscript file with warnings/errors):
   var x = 3
   var x = 5*2 + parseInt("10");
+  // comment
 
 Execute(Messages should be shown for the correct lines):
   call cursor(1, 1)
@@ -124,3 +135,9 @@ Execute(ALEDetail should print regular 'text' attributes):
   redir END
 
   AssertEqual "\nInfix operators must be spaced. (space-infix-ops)", g:output
+
+Execute(ALEDetail should not capitlise cursor messages):
+  call cursor(3, 1)
+  call ale#cursor#EchoCursorWarning()
+
+  AssertEqual 'lowercase error', GetLastMessage()