Add test-case for unspaced != operator
Add test-case for unspaced != operator

tree-sitter/tree-sitter-ruby,tree-sitter/tree-sitter-ruby,tree-sitter/tree-sitter-ruby,tree-sitter/tree-sitter-ruby,tree-sitter/tree-sitter-ruby,tree-sitter/tree-sitter-ruby,tree-sitter/tree-sitter-ruby,tree-sitter/tree-sitter-ruby