src/Concerns/HasHttpAssertions.php
public function assertIncludes($expected, bool $strict = true): self
    {
        $this->getDocument()->assertIncludedContainsHash(
            $this->identifier($expected),
            $strict
        );

        return $this;
    }
public function assertIncludes($expected, bool $strict = true): self
    {
        $this->getDocument()->assertIncludedContainsHash(
            $this->identifier($expected),
            $strict
        );

        return $this;
    }
Assert that the included member contains the supplied resource.

@param UrlRoutable|string|int|array $expected
@param bool $strict
@return $this