Rename test files to end with Test.cpp.

gyp/tests.gypi

Index: gyp/tests.gypi
diff --git a/gyp/tests.gypi b/gyp/tests.gypi
index 779ffdecdf1d9f895dc8f4980b41634e291d3955..18908190fe044a4df5ffe6f996f9f04e57b910af 100644
--- a/gyp/tests.gypi
+++ b/gyp/tests.gypi
@@ -58,7 +58,7 @@
     '../tests/DeferredCanvasTest.cpp',
     '../tests/DequeTest.cpp',
     '../tests/DeviceLooperTest.cpp',
-    '../tests/DiscardableMemoryPool.cpp',
+    '../tests/DiscardableMemoryPoolTest.cpp',
     '../tests/DiscardableMemoryTest.cpp',
     '../tests/DocumentTest.cpp',
     '../tests/DrawBitmapRectTest.cpp',
@@ -76,7 +76,7 @@
     '../tests/FontMgrTest.cpp',
     '../tests/FontNamesTest.cpp',
     '../tests/FrontBufferedStreamTest.cpp',
-    '../tests/GLInterfaceValidation.cpp',
+    '../tests/GLInterfaceValidationTest.cpp',
     '../tests/GLProgramsTest.cpp',
     '../tests/GeometryTest.cpp',
     '../tests/GifTest.cpp',
@@ -154,9 +154,9 @@
     '../tests/TSetTest.cpp',
     '../tests/TestSize.cpp',
     '../tests/TileGridTest.cpp',
-    '../tests/ToUnicode.cpp',
+    '../tests/ToUnicodeTest.cpp',
     '../tests/TracingTest.cpp',
-    '../tests/Typeface.cpp',
+    '../tests/TypefaceTest.cpp',
     '../tests/UnicodeTest.cpp',
     '../tests/UnitTestTest.cpp',
     '../tests/UtilsTest.cpp',