tint/writer/spirv: Clean up accessor tests

Remove duplicate tests.
Use a common pattern of sanitizing, building and dumping the whole
module instead of calling individual methods. There's too much internal
state being tracked in the tests for my liking.

Split most tests into three:
* Const_* tests will check the emission of creation-time-constant
  expressions.
* Runtime_* tests will check the emission of runtime expressions, where
  indexing operates with a constant index.
* Dynamic_* tests will check the emission of runtime expressions, where
  indexing operates with a runtime index.

Bug: tint:1580
Change-Id: I0f92aaaa570cbd917d2b6937c6396605c6b542c9
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/94333
Reviewed-by: David Neto <dneto@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>
This commit is contained in:
Ben Clayton 2022-06-24 08:57:38 +00:00 committed by Dawn LUCI CQ
parent 7400a5519f
commit ab70ff7a2f

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