Split out header integration tests

These are somewhat arbitrary tests that check if "thing goes fine" when
processing various platform-specific headers.

Also move warn-sysheader.cpp to Misc where the other diagnostics infrastructure
tests live.

File moves only.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@207936 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Headers/carbon.c b/test/Integration/carbon.c
similarity index 100%
rename from test/Headers/carbon.c
rename to test/Integration/carbon.c

diff --git a/test/PCH/cocoa.m b/test/Integration/cocoa-pch.m
similarity index 100%
rename from test/PCH/cocoa.m
rename to test/Integration/cocoa-pch.m

diff --git a/test/Headers/cocoa.m b/test/Integration/cocoa.m
similarity index 100%
rename from test/Headers/cocoa.m
rename to test/Integration/cocoa.m

diff --git a/test/Headers/warn-sysheader.cpp b/test/Misc/warn-sysheader.cpp
similarity index 100%
rename from test/Headers/warn-sysheader.cpp
rename to test/Misc/warn-sysheader.cpp