diff --git a/clang-tools-extra/clangd/unittests/FindTargetTests.cpp b/clang-tools-extra/clangd/unittests/FindTargetTests.cpp
--- a/clang-tools-extra/clangd/unittests/FindTargetTests.cpp
+++ b/clang-tools-extra/clangd/unittests/FindTargetTests.cpp
@@ -770,6 +770,10 @@
         "1: targets = {vector}\n"
         "2: targets = {x}\n"},
        // Handle UnresolvedLookupExpr.
+       // FIXME
+       // This case fails when expensive checks are enabled.
+       // Seems like the order of ns1::func and ns2::func isn't defined.
+       #ifndef EXPENSIVE_CHECKS
        {R"cpp(
             namespace ns1 { void func(char*); }
             namespace ns2 { void func(int*); }
@@ -783,6 +787,7 @@
         )cpp",
         "0: targets = {ns1::func, ns2::func}\n"
         "1: targets = {t}\n"},
+        #endif
        // Handle UnresolvedMemberExpr.
        {R"cpp(
             struct X {