Cosmetic changes to tests to make it easier to concatenate them.

src/arm64/debug-arm64.cc

Index: src/arm64/debug-arm64.cc
diff --git a/src/arm64/debug-arm64.cc b/src/arm64/debug-arm64.cc
index 404bcb72bd426db852d118cbbde95d6a9968ead2..59b2d1cfe32899b3f1674d1b2b62ae3c9206883c 100644
--- a/src/arm64/debug-arm64.cc
+++ b/src/arm64/debug-arm64.cc
@@ -344,6 +344,7 @@ void DebugCodegen::GenerateFrameDropperLiveEdit(MacroAssembler* masm) {
 
 const bool LiveEdit::kFrameDropperSupported = true;
 
-} }  // namespace v8::internal
+}  // namespace internal
+}  // namespace v8
 
 #endif  // V8_TARGET_ARCH_ARM64