src/Concerns/MakesAssertions.php
public function assertInputValueIsNot($field, $value)
    {
        PHPUnit::assertNotEquals(
            $value, $this->inputValue($field),
            "Value [{$value}] for the [{$field}] input should not equal the actual value."
        );

        return $this;
    }
public function assertInputValueIsNot($field, $value)
    {
        PHPUnit::assertNotEquals(
            $value, $this->inputValue($field),
            "Value [{$value}] for the [{$field}] input should not equal the actual value."
        );

        return $this;
    }
public function assertInputValueIsNot ( $ field , $ value ) { PHPUnit :: assertNotEquals ( $ value , $ this -> inputValue ( $ field ) , "Value [{$value}] for the [{$field}] input should not equal the actual value." ) ; return $ this ; }
Assert that the given input or text area does not contain the given value.

@param  string  $field
@param  string  $value
@return $this
Assert that the given input or text area does not contain the given value .