Execute(The swiftint handler should parse error messages correctly):
AssertEqual
\ [
\ {
\ 'lnum': 1,
\ 'col': 7,
\ 'text': 'Operator Usage Whitespace Violation: Operators should be surrounded by a single whitespace when they are being used. (operator_usage_whitespace)',
\ 'type': 'W',
\ },
\ {
\ 'lnum': 1,
\ 'col': 11,
\ 'text': 'Operator Usage Whitespace Violation: Operators should be surrounded by a single whitespace when they are being used. (operator_usage_whitespace)',
\ '<nopath>:1:7: warning: Operator Usage Whitespace Violation: Operators should be surrounded by a single whitespace when they are being used. (operator_usage_whitespace)',
\ '<nopath>:1:11: warning: Operator Usage Whitespace Violation: Operators should be surrounded by a single whitespace when they are being used. (operator_usage_whitespace)',