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##### SUMMARY
<!--- Explain the problem briefly below -->
IOS l3 interface tests failing coz of zuul env issue, replace after assert dict is failing intermittently in diff python version, i.e. sometimes it fails on python27 and other time it fails on python35/37 (ref: https://github.com/ansible/ansible/pull/61103#issuecomment-524646499)

##### ISSUE TYPE
- Bug Report

##### COMPONENT NAME
<!--- Write the short name of the module, plugin, task or feature below, use your best guess if unsure -->
ios_l3_interfaces
##### ANSIBLE VERSION
<!--- Paste verbatim output from "ansible --version" between quotes -->
```paste below
devel
```

##### CONFIGURATION
<!--- Paste verbatim output from "ansible-config dump --only-changed" between quotes -->
```paste below

```

##### OS / ENVIRONMENT
<!--- Provide all relevant information below, e.g. target OS versions, network device firmware, etc. -->
zuul

##### STEPS TO REPRODUCE
<!--- Describe exactly how to reproduce the problem, using a minimal test-case -->

<!--- Paste example playbooks or commands between quotes below -->
```yaml

```

<!--- HINT: You can paste gist.github.com links for larger files -->

##### EXPECTED RESULTS
<!--- Describe what you expected to happen when running the steps above -->
All test should pass w/o issue

##### ACTUAL RESULTS
<!--- Describe what actually happened. If possible run with extra verbosity (-vvvv) -->
Test fails intermittently 
<!--- Paste verbatim command output between quotes -->
```paste below

```

#
from __future__ import absolute_import, division, print_function
__metaclass__ = type
from ansible.module_utils.six import iteritems
from ansible.module_utils.network.common.utils import is_masklen, to_netmask
def remove_command_from_config_list(interface, cmd, commands):
    
    if interface not in commands:
        commands.insert(0, interface)
    commands.append('no %s' % cmd)
    return commands
def add_command_to_config_list(interface, cmd, commands):
    
    if interface not in commands:
        commands.insert(0, interface)
    commands.append(cmd)
def dict_to_set(sample_dict):