Add formatter tests

compiler-core/src/format/tests/conditional_compilation.rs

@@ -1,4 +1,4 @@
-use crate::assert_format;
+use crate::{assert_format, assert_format_rewrite};
 
 #[test]
 fn multiple() {
@@ -17,3 +17,33 @@ type Z {
 "
     );
 }
+
+#[test]
+fn formatter_removes_target_shorthand_erlang() {
+    assert_format_rewrite!(
+        "@target(erl)
+fn wibble() {
+  todo
+}",
+        "@target(erlang)
+fn wibble() {
+  todo
+}
+"
+    );
+}
+
+#[test]
+fn formatter_removes_target_shorthand_javascript() {
+    assert_format_rewrite!(
+        "@target(js)
+fn wibble() {
+  todo
+}",
+        "@target(javascript)
+fn wibble() {
+  todo
+}
+"
+    );
+}