[clang-tools-extra] feat: highlight for import, export keyword of CXX Module (PR #204511)

[Aleksandr Platonov via cfe-commits]

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@@ -1123,6 +1123,18 @@ sizeof...($TemplateParameter[[Elements]]);
   )cpp"}},
                      ~ScopeModifierMask);
 
+  checkHighlightings(R"cpp(
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ArcsinX wrote:

Ok. So, as far as the changes are module-specific, maybe we can add a test into PrerequisiteModulesTest.cpp, where module infrastructure exists? I.e. call getSemanticHighlightings() directly and check that import/export token has correct highlighting kind

https://github.com/llvm/llvm-project/pull/204511