Use a Lua bindings spec file for Emscripten tests.

tests/emscripten/bindings.lua

@@ -0,0 +1,23 @@
+generator "emscripten"
+platform "emscripten"
+architecture "wasm32"
+
+includedirs
+{
+    "..",
+    "../../include",
+}
+
+output "gen"
+
+module "tests"
+    namespace "test"
+    headers
+    {
+        "Builtins.h",
+        "Classes.h",
+        "Classes2.h",
+        "Delegates.h",
+        "Enums.h",
+        "Overloads.h"
+    }

tests/emscripten/test.sh

@@ -38,9 +38,8 @@ generate=true
 
 if [ $generate = true ]; then
     echo "${green}Generating bindings${reset}"
-    dotnet $rootdir/bin/${dotnet_configuration}_${platform}/CppSharp.CLI.dll \
-        --gen=emscripten --platform=emscripten --arch=wasm32 --property=keywords \
-        -I$dir/.. -I$rootdir/include -o $dir/gen -m tests $dir/../*.h
+    dotnet $rootdir/bin/${dotnet_configuration}/CppSharp.CLI.dll --property=keywords \
+        $dir/bindings.lua
 fi
 
 echo "${green}Building generated binding files${reset}"