* added pipes test
clang-format fixes
* simplify diffs
* added pipes test
clang-format fixes
* simplify diffs
* add Program Scope Global Variables consistency test
* switched other checks to test_assert_error
* add non-uniform work group consistency test
* added read-write images consistency test
* add Creating 2D Images from Buffers consistency test
* add Device and Host Timer Synchronization consistency test
* add Intermediate Language Programs consistency test
* add Subgroups consistency test
* add Program Initialization and Clean-Up Kernels consistency test
* add 3D Image Writes consistency test
* clang-format fixes
* switch the check for 3D image writes extension for clarity
* add Depth Images consistency test
* update test for CL_QUEUE_SIZE, must return CL_INVALID_COMMAND_QUEUE
* formatting fixes
* fix copy-paste typo
* change expected error codes to CL_INVALID_OPERATION
* address review comments
* fix formatting
* address review feedback
Since pipes are cl_mems, We can spec and test that clGetPipeInfo
returns CL_INVALID_OPERATION when pipes are not supported by
passing a non-pipe memory object to the function.
* use the CTS framework to choose the OpenCL C version
* address review feedback
75ce4c5b0e