[llvm] [memprof] Drop testing:: in a unit test (NFC) (PR #119636)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-pgo

Author: Kazu Hirata (kazutakahirata)

<details>
<summary>Changes</summary>

Note that we already have:

  using ::testing::IsEmpty;


---
Full diff: https://github.com/llvm/llvm-project/pull/119636.diff


1 Files Affected:

- (modified) llvm/unittests/ProfileData/MemProfTest.cpp (+2-2) 


``````````diff
diff --git a/llvm/unittests/ProfileData/MemProfTest.cpp b/llvm/unittests/ProfileData/MemProfTest.cpp
index 456b093362b50f..4dcc50e41ec6b2 100644
--- a/llvm/unittests/ProfileData/MemProfTest.cpp
+++ b/llvm/unittests/ProfileData/MemProfTest.cpp
@@ -587,9 +587,9 @@ TEST(MemProf, RadixTreeBuilderEmpty) {
   CallStackRadixTreeBuilder<FrameId> Builder;
   Builder.build(std::move(MemProfCallStackData), &MemProfFrameIndexes,
                 FrameHistogram);
-  ASSERT_THAT(Builder.getRadixArray(), testing::IsEmpty());
+  ASSERT_THAT(Builder.getRadixArray(), IsEmpty());
   const auto Mappings = Builder.takeCallStackPos();
-  ASSERT_THAT(Mappings, testing::IsEmpty());
+  ASSERT_THAT(Mappings, IsEmpty());
 }
 
 // Verify CallStackRadixTreeBuilder can handle one trivial call stack.

``````````

</details>


https://github.com/llvm/llvm-project/pull/119636