Use ASSERT_EQ rather than ASSERT_TRUE for better unit test failures.

Also minor using namespace move so it's not hard-up against the function
definition and outside the namespace as is usual.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192744 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/unittests/CodeGen/DIEHashTest.cpp b/unittests/CodeGen/DIEHashTest.cpp
index d2831e8..6b9a4db 100644
--- a/unittests/CodeGen/DIEHashTest.cpp
+++ b/unittests/CodeGen/DIEHashTest.cpp
@@ -14,15 +14,15 @@
 #include "llvm/Support/Format.h"
 #include "gtest/gtest.h"
 
-namespace {
-
 using namespace llvm;
+
+namespace {
 TEST(DIEHashData1Test, DIEHash) {
   DIEHash Hash;
   DIE Die(dwarf::DW_TAG_base_type);
   DIEInteger Size(4);
   Die.addValue(dwarf::DW_AT_byte_size, dwarf::DW_FORM_data1, &Size);
   uint64_t MD5Res = Hash.computeTypeSignature(&Die);
-  ASSERT_TRUE(MD5Res == 0x540e9ff30ade3e4aULL);
+  ASSERT_EQ(MD5Res, 0x540e9ff30ade3e4aULL);
 }
 }