[clang-tools-extra] [clangd] Allow "move function body out-of-line" in non-header files (PR #69704)

[kadir çetinkaya via cfe-commits]

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@@ -19,7 +19,7 @@ TWEAK_TEST(DefineOutline);
 
 TEST_F(DefineOutlineTest, TriggersOnFunctionDecl) {
   FileName = "Test.cpp";
-  // Not available unless in a header file.
+  // Not available for free function unless in a header file.
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kadircet wrote:

can you add some availability tests here?

https://github.com/llvm/llvm-project/pull/69704