[PM] (NFC) Split the IR parsing into a fixture so that I can split out more testing into other test routines while using the same core module.
[PM] (NFC) Split the IR parsing into a fixture so that I can split out
more testing into other test routines while using the same core module.

git-svn-id: 0ff597fd157e6f4fc38580e8d64ab130330d2411@280446 91177308-0d34-0410-b5e6-96231b3b80d8

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