Deduplicate single-assembly vs. multi-assembly stringintern tests #64709
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This is an interesting special example of deduplication where each of the tests (Test1, Test2, Test4)
runs alternatively in a single-assembly or multiple-assembly mode (compiled together with the
dependent source files teststr.cs / testgenstr.cs vs. using them via dependent projects
teststr.csproj / testgenstr.csproj).
As the actual content of the test source code is the same in both cases and just Roslyn-compiles
slightly differently based on the project structure, I have come to the conclusion that in this particular
case the least amount of churn can be achieved via a preprocessor define that is used to variate the
class name in the main test source files.
The tests were originally building in three flavors - "in-assembly", "cross-assembly" and "cross-module".
I have deleted the "cross-module" variants as I believe that they are identical to "cross-assembly".
Thanks
Tomas
/cc @dotnet/jit-contrib