tab completion does not work for fio command

[Matthew Eaton]

$ lsb_release -rd
Description: Ubuntu 19.10
Release: 19.10

$ apt-cache policy bash-completion
bash-completion:
  Installed: 1:2.9-1ubuntu1
  Candidate: 1:2.9-1ubuntu1
  Version table:
 *** 1:2.9-1ubuntu1 500
        500 http://us.archive.ubuntu.com/ubuntu eoan/main amd64 Packages
        500 http://us.archive.ubuntu.com/ubuntu eoan/main i386 Packages
        100 /var/lib/dpkg/status

Steps to reproduce:
1. Open terminal
2. Create a test file:
$ touch testfile
3. Enter:
$ fio testf
4. Press tab to trigger completion of filename
5. It does not complete

Note that if trying the above steps as root with 'sudo -s' tab completion does work.

ProblemType: Bug
DistroRelease: Ubuntu 19.10
Package: bash-completion 1:2.9-1ubuntu1
ProcVersionSignature: Ubuntu 5.3.0-24.26-generic 5.3.10
Uname: Linux 5.3.0-24-generic x86_64
ApportVersion: 2.20.11-0ubuntu8.2
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Fri Jan 3 12:38:53 2020
Dependencies:

InstallationDate: Installed on 2019-12-06 (27 days ago)
InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017)
PackageArchitecture: all
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: bash-completion
UpgradeStatus: No upgrade log present (probably fresh install)