Duplicate tests that are run twice as both C and C++ tests to fix parallel make: li_carrays

Examples/test-suite/lua/li_carrays_cpp_runme.lua

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+require("import")	-- the import fn
+import("li_carrays_cpp")	-- import code
+lc = li_carrays_cpp
+
+-- catch "undefined" global variables
+local env = _ENV -- Lua 5.2
+if not env then env = getfenv () end -- Lua 5.1
+setmetatable(env, {__index=function (t,i) error("undefined global variable `"..i.."'",2) end})
+
+-- Testing for %array_functions(int,intArray)
+ary = lc.new_intArray(2)
+lc.intArray_setitem(ary, 0, 0)
+lc.intArray_setitem(ary, 1, 1)
+assert(lc.intArray_getitem(ary, 0)==0)
+assert(lc.intArray_getitem(ary, 1)==1)
+lc.delete_intArray(ary)
+
+-- Testing for %array_class(double, doubleArray)
+d = lc.doubleArray(10)
+d[0] = 7
+d[5] = d[0] + 3
+assert(d[5] + d[0] == 17)
+--print(d[5] + d[0])
+
+ptr = d:cast()	-- to ptr
+d2 = lc.doubleArray_frompointer(ptr) -- and back to array
+assert(d2[5] + d2[0] == 17)
+--print(d2[5] + d2[0])
+