Reduce difference between files (#1155)

Moves `if (!gSkipCorrectnessTesting)` in binary_i.cpp to follow
structure of binary.cpp, unary.cpp, macro_unary.cpp and
macro_binary.cpp.

Other non-semantic changes include adding/removing new lines and
updating comments.

Signed-off-by: Marco Antognini <marco.antognini@arm.com>

test_conformance/math_brute_force/unary.cpp

@@ -629,7 +629,7 @@ static cl_int TestFloat(cl_uint job_id, cl_uint thread_id, void *data)
             return error;
         }
 
-        // Run the kernel
+        // run the kernel
         size_t vectorCount =
             (buffer_elements + sizeValues[j] - 1) / sizeValues[j];
         cl_kernel kernel = job->k[j][thread_id]; // each worker thread has its