Fix the broken tests

test/lsp/test_did_save_event.vader

@@ -75,6 +75,7 @@ After:
 
   runtime autoload/ale/completion.vim
   runtime autoload/ale/lsp.vim
+  runtime autoload/ale/lsp_linter.vim
 
 Given foobar (Some imaginary filetype):
   <contents>

test/lsp/test_lsp_command_formatting.vader

@@ -32,6 +32,6 @@ Execute(Command formatting should be applied correctly for LSP linters):
     \ g:args[:2]
   else
     AssertEqual
-    \ ['true', ['/bin/bash', '-c', '''true'' --foo'], '/foo/bar'],
+    \ ['true', [&shell, '-c', '''true'' --foo'], '/foo/bar'],
     \ g:args[:2]
   endif