add conditional compile test case for native backend

crates/moon/tests/test_cases/cond_comp.in/moon.test

@@ -4,7 +4,7 @@
   moonc link-core ./target/wasm-gc/release/build/lib/lib.core ./target/wasm-gc/release/build/main/main.core -main username/hello/main -o ./target/wasm-gc/release/build/main/main.wasm -pkg-sources username/hello/lib:./src/lib -pkg-sources username/hello/main:./src/main -target wasm-gc
 
   $ moon build --target wasm --dry-run --sort-input --nostd
-  moonc build-package ./src/lib/all.mbt ./src/lib/all_wasm.mbt ./src/lib/js_or_wasm.mbt ./src/lib/not_js.mbt ./src/lib/only_wasm.mbt ./src/lib/wasm_release_or_js_debug.mbt -o ./target/wasm/release/build/lib/lib.core -pkg username/hello/lib -pkg-sources username/hello/lib:./src/lib -target wasm
+  moonc build-package ./src/lib/all.mbt ./src/lib/all_wasm.mbt ./src/lib/js_or_wasm.mbt ./src/lib/native_and_wasm.mbt ./src/lib/not_js.mbt ./src/lib/only_wasm.mbt ./src/lib/wasm_release_or_js_debug.mbt -o ./target/wasm/release/build/lib/lib.core -pkg username/hello/lib -pkg-sources username/hello/lib:./src/lib -target wasm
   moonc build-package ./src/main/main.mbt -o ./target/wasm/release/build/main/main.core -pkg username/hello/main -is-main -i ./target/wasm/release/build/lib/lib.mi:lib -pkg-sources username/hello/main:./src/main -target wasm
   moonc link-core ./target/wasm/release/build/lib/lib.core ./target/wasm/release/build/main/main.core -main username/hello/main -o ./target/wasm/release/build/main/main.wasm -pkg-sources username/hello/lib:./src/lib -pkg-sources username/hello/main:./src/main -target wasm
 
@@ -19,7 +19,7 @@
   moonc link-core ./target/js/release/build/lib/lib.core ./target/js/release/build/main/main.core -main username/hello/main -o ./target/js/release/build/main/main.js -pkg-sources username/hello/lib:./src/lib -pkg-sources username/hello/main:./src/main -target js
 
   $ moon build --dry-run --target wasm --sort-input --nostd --debug
-  moonc build-package ./src/lib/all.mbt ./src/lib/all_wasm.mbt ./src/lib/js_or_wasm.mbt ./src/lib/not_js.mbt ./src/lib/only_debug.mbt ./src/lib/only_wasm.mbt ./src/lib/wasm_release_or_js_debug.mbt -o ./target/wasm/debug/build/lib/lib.core -pkg username/hello/lib -pkg-sources username/hello/lib:./src/lib -target wasm -g
+  moonc build-package ./src/lib/all.mbt ./src/lib/all_wasm.mbt ./src/lib/js_or_wasm.mbt ./src/lib/native_and_wasm.mbt ./src/lib/not_js.mbt ./src/lib/only_debug.mbt ./src/lib/only_wasm.mbt ./src/lib/wasm_release_or_js_debug.mbt -o ./target/wasm/debug/build/lib/lib.core -pkg username/hello/lib -pkg-sources username/hello/lib:./src/lib -target wasm -g
   moonc build-package ./src/main/main.mbt -o ./target/wasm/debug/build/main/main.core -pkg username/hello/main -is-main -i ./target/wasm/debug/build/lib/lib.mi:lib -pkg-sources username/hello/main:./src/main -target wasm -g
   moonc link-core ./target/wasm/debug/build/lib/lib.core ./target/wasm/debug/build/main/main.core -main username/hello/main -o ./target/wasm/debug/build/main/main.wasm -pkg-sources username/hello/lib:./src/lib -pkg-sources username/hello/main:./src/main -target wasm -g
 
@@ -52,3 +52,8 @@
   moonc build-package ./src/main/main.mbt -o ./target/js/release/bundle/main/main.core -pkg username/hello/main -is-main -i ./target/js/release/bundle/lib/lib.mi:lib -pkg-sources username/hello/main:./main -target js
   moonc bundle-core ./target/js/release/bundle/lib/lib.core ./target/js/release/bundle/main/main.core -o ./target/js/release/bundle/hello.core
 
+  $ moon build --dry-run --target native --sort-input --nostd --debug
+  moonc build-package ./src/lib/all.mbt ./src/lib/native_and_wasm.mbt ./src/lib/native_only.mbt ./src/lib/not_js.mbt ./src/lib/only_debug.mbt -o ./target/native/debug/build/lib/lib.core -pkg username/hello/lib -pkg-sources username/hello/lib:./src/lib -target native -g
+  moonc build-package ./src/main/main.mbt -o ./target/native/debug/build/main/main.core -pkg username/hello/main -is-main -i ./target/native/debug/build/lib/lib.mi:lib -pkg-sources username/hello/main:./src/main -target native -g
+  moonc link-core ./target/native/debug/build/lib/lib.core ./target/native/debug/build/main/main.core -main username/hello/main -o ./target/native/debug/build/main/main.exe -pkg-sources username/hello/lib:./src/lib -pkg-sources username/hello/main:./src/main -target native -g
+

crates/moon/tests/test_cases/cond_comp.in/src/lib/moon.pkg.json

@@ -1,5 +1,7 @@
 {
     "targets": {
+        "native_only.mbt": ["native"],
+        "native_and_wasm.mbt": ["native", "wasm"],
         "only_js.mbt": ["js"],
         "only_wasm.mbt": ["wasm"],
         "only_wasm_gc.mbt": ["wasm-gc"],

crates/moon/tests/test_cases/cond_comp.in/src/lib/native_and_wasm.mbt

@@ -0,0 +1,4 @@
+test {
+  let a = 1
+
+}

crates/moon/tests/test_cases/cond_comp.in/src/lib/native_only.mbt

@@ -0,0 +1,4 @@
+test {
+  let a = 1
+
+}