Cleanup: Rename UnitTestTest.cpp to RTConfRegistryTest.cpp

BUG=None
TEST=make tests
R=mtklein@google.com

Author: tfarina@chromium.org

Review URL: https://codereview.chromium.org/374443002
diff --git a/gyp/tests.gypi b/gyp/tests.gypi
index 6935614..ba0bc87 100644
--- a/gyp/tests.gypi
+++ b/gyp/tests.gypi
@@ -78,9 +78,9 @@
     '../tests/FlateTest.cpp',
     '../tests/FontHostStreamTest.cpp',
     '../tests/FontHostTest.cpp',
-    '../tests/FontObjTest.cpp',
     '../tests/FontMgrTest.cpp',
     '../tests/FontNamesTest.cpp',
+    '../tests/FontObjTest.cpp',
     '../tests/FrontBufferedStreamTest.cpp',
     '../tests/GLInterfaceValidationTest.cpp',
     '../tests/GLProgramsTest.cpp',
@@ -94,8 +94,8 @@
     '../tests/GrContextFactoryTest.cpp',
     '../tests/GrDrawTargetTest.cpp',
     '../tests/GrMemoryPoolTest.cpp',
-    '../tests/GrRedBlackTreeTest.cpp',
     '../tests/GrOrderedSetTest.cpp',
+    '../tests/GrRedBlackTreeTest.cpp',
     '../tests/GrSurfaceTest.cpp',
     '../tests/GrTBSearchTest.cpp',
     '../tests/GradientTest.cpp',
@@ -122,8 +122,8 @@
     '../tests/MetaDataTest.cpp',
     '../tests/MipMapTest.cpp',
     '../tests/NameAllocatorTest.cpp',
-    '../tests/ObjectPoolTest.cpp',
     '../tests/OSPathTest.cpp',
+    '../tests/ObjectPoolTest.cpp',
     '../tests/OnceTest.cpp',
     '../tests/PDFPrimitivesTest.cpp',
     '../tests/PackBitsTest.cpp',
@@ -133,13 +133,14 @@
     '../tests/PathMeasureTest.cpp',
     '../tests/PathTest.cpp',
     '../tests/PathUtilsTest.cpp',
-    '../tests/PictureTest.cpp',
     '../tests/PictureShaderTest.cpp',
     '../tests/PictureStateTreeTest.cpp',
+    '../tests/PictureTest.cpp',
     '../tests/PixelRefTest.cpp',
     '../tests/PointTest.cpp',
     '../tests/PremulAlphaRoundTripTest.cpp',
     '../tests/QuickRejectTest.cpp',
+    '../tests/RTConfRegistryTest.cpp',
     '../tests/RTreeTest.cpp',
     '../tests/RandomTest.cpp',
     '../tests/ReadPixelsTest.cpp',
@@ -181,7 +182,6 @@
     '../tests/TracingTest.cpp',
     '../tests/TypefaceTest.cpp',
     '../tests/UnicodeTest.cpp',
-    '../tests/UnitTestTest.cpp',
     '../tests/UtilsTest.cpp',
     '../tests/WArrayTest.cpp',
     '../tests/WritePixelsTest.cpp',