@Test
public void testIsBlankProperty() throws IOException
{

    // Create a temporary file.
    final File tempFile = temporaryFolder.newFile(PROPERTIES_FILE_PATH);
    // Write several properties that are blank or have whitespace
    FileUtils.writeStringToFile(tempFile, String.format("%s=%s%n%s=%s%n", HERD_USERNAME_PROPERTY, "", HERD_PASSWORD_PROPERTY, "  "),
        StandardCharsets.UTF_8.name());
    assertTrue(propertiesHelper.isBlankOrNull(HERD_USERNAME_PROPERTY));
    assertTrue(propertiesHelper.isBlankOrNull(HERD_PASSWORD_PROPERTY));
}