c.Assert(response.ContentLength, int64(len([]byte("hello world"))))
	var buffer2 bytes.Buffer
	// retrieve the contents of response body.
	n, err := io.Copy(&buffer2, response.Body)
	c.Assert(err, nil)
	c.Assert(n, int64(len([]byte("hello world"))))
	// asserted the contents of the fetched object with the expected result.
	c.Assert(true, bytes.Equal(buffer2.Bytes(), []byte("hello world")))

		// expected output.
		expectedContent    []byte // expected response body.
		expectedRespStatus int    // expected response status body.
	}{
		// Test case - 1.
		// Fetching the entire object and validating its contents.
		{
			bucketName: bucketName,
			objectName: objectName,
			byteRange:  "",
			accessKey:  credentials.AccessKey,
			secretKey:  credentials.SecretKey,

			expectedContent:    bytesData[0].byteData,