[cmake] split tests

* Keep BUILD_TESTING, but only run tests compatible with API (for
  packaging)
* Add BUILD_TESTING_INTERNAL for all tests including internal function
  tests that modify API to be run on our CI

channels/rdpear/common/CMakeLists.txt

@@ -53,6 +53,6 @@ target_link_libraries(rdpear-common INTERFACE
 
 channel_install(rdpear-common ${FREERDP_ADDIN_PATH} "FreeRDPTargets")
 
-if (BUILD_TESTING)
+if (BUILD_TESTING_INTERNAL OR BUILD_TESTING)
     add_subdirectory(test)
 endif()

channels/rdpear/common/test/CMakeLists.txt

@@ -7,10 +7,15 @@ set(TEST_RDPEAR_DRIVER TestRdpear.c)
 disable_warnings_for_directory(${CMAKE_CURRENT_BINARY_DIR})
 
 set(TEST_RDPEAR_TESTS
-	TestNdr.c
-	TestNdrEar.c
+        TestNdr.c
 )
 
+if (BUILD_TESTING_INTERNAL)
+    list(APPEND TEST_RDPEAR_TESTS
+        TestNdrEar.c
+    )
+endif()
+
 create_test_sourcelist(TEST_RDPEAR_SRCS
 	TestRdpear.c
 	${TEST_RDPEAR_TESTS}