Move unit tests to test/unittests.

test/unittests/compiler/change-lowering-unittest.cc

Index: test/unittests/compiler/change-lowering-unittest.cc
diff --git a/src/compiler/change-lowering-unittest.cc b/test/unittests/compiler/change-lowering-unittest.cc
similarity index 99%
rename from src/compiler/change-lowering-unittest.cc
rename to test/unittests/compiler/change-lowering-unittest.cc
index 7b0fab21f4e069c6996d8571bc72b417a2e343b8..c135def2e49414c94d8391dba0e8c072c22d513f 100644
--- a/src/compiler/change-lowering-unittest.cc
+++ b/test/unittests/compiler/change-lowering-unittest.cc
@@ -3,12 +3,12 @@
 // found in the LICENSE file.
 
 #include "src/compiler/change-lowering.h"
-#include "src/compiler/compiler-test-utils.h"
-#include "src/compiler/graph-unittest.h"
 #include "src/compiler/js-graph.h"
 #include "src/compiler/node-properties-inl.h"
 #include "src/compiler/simplified-operator.h"
 #include "src/compiler/typer.h"
+#include "test/unittests/compiler/compiler-test-utils.h"
+#include "test/unittests/compiler/graph-unittest.h"
 #include "testing/gmock-support.h"
 
 using testing::_;