tests: also test spaces in conflict marker labels
Our fake merge tool printed the arguments using `$1` etc. without
quotes, which means that the shell collapsed repeated spaces within
the argument. That resulted in tests that did not pick up changes to
the number of spaces.
Differential Revision: https://phab.mercurial-scm.org/D12010
BasedOnStyle: LLVM
IndentWidth: 8
UseTab: ForIndentation
BreakBeforeBraces: Linux
AllowShortIfStatementsOnASingleLine: false
IndentCaseLabels: false
AllowShortBlocksOnASingleLine: false
AllowShortFunctionsOnASingleLine: false
IncludeCategories:
- Regex: '^<'
Priority: 1
- Regex: '^"'
Priority: 2