Fix a bug preventing cylc vip --workflow-name=foo from working.

`--workflow-name foo` was fine.
Caused by removal of unwanted sys.argv for Cylc VIP not removing
items not exactly matching items in the Command line options arguments.

cylc/flow/option_parsers.py

@@ -831,6 +831,9 @@ def cleanup_sysargv(
  not in ['store_true', 'store_false']
  ):
  sys.argv.pop(index)
+ elif arg in [i.split('=')[0] for i in sys.argv]:
+ index = [i.split('=')[0] for i in sys.argv].index(arg)
+ sys.argv.pop(index)
 
  # replace compound script name:
  sys.argv[1] = script_name

tests/unit/test_option_parsers.py

@@ -397,6 +397,19 @@ def test_combine_options(inputs, expect):
  'play --foo something myworkflow'.split(),
  id='no path given'
  ),
+ param(
+ 'vip --bar=something'.split(),
+ {
+ 'script_name': 'play',
+ 'workflow_id': 'myworkflow',
+ 'compound_script_opts': [
+ OptionSettings(['--bar', '-b'])],
+ 'script_opts': [],
+ 'source': './myworkflow',
+ },
+ 'play myworkflow'.split(),
+ id='removes --key=value'
+ ),
  ]
 )
 def test_cleanup_sysargv(monkeypatch, argv_before, kwargs, expect):