[clang] [clang][test] Add missing test file to cmake (PR #99907)

[Keith Smiley via cfe-commits]

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@@ -58,7 +58,7 @@ Bar s(1);
       DeductionGuideVisitor::Lang_CXX2a));
 }
 
-TEST(RecursiveASTVisitor, DeductionGuideImplicitMode) {
+TEST(RecursiveASTVisitor, DISABLED_DeductionGuideImplicitMode) {
   DeductionGuideVisitor Visitor(/*ShouldVisitImplicitCode*/ true);
   Visitor.ExpectMatch("Foo(T) -> Foo<int>", 11, 1);
   Visitor.ExpectMatch("Bar(type-parameter-0-0) -> Foo<int>", 14, 1);
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keith wrote:

thanks! yea i just wasn't confident that i'd make the "right" change here if i just updated the expectation

https://github.com/llvm/llvm-project/pull/99907