add tests for api availability

Author: makspll

crates/languages/bevy_mod_scripting_lua/tests/data/api_availability/api_available_on_callback.lua

@@ -0,0 +1,5 @@
+function on_test()
+    assert(world ~= nil, "World was not found")
+    assert(world:get_type_by_name("TestComponent") ~= nil, "Could not find TestComponent type")
+    Entity.from_raw(1)
+end

crates/languages/bevy_mod_scripting_lua/tests/data/api_availability/api_available_on_script_load.lua

@@ -0,0 +1,3 @@
+assert(world ~= nil, "World was not found")
+assert(world:get_type_by_name("TestComponent") ~= nil, "Could not find TestComponent type")
+Entity.from_raw(1)

crates/languages/bevy_mod_scripting_lua/tests/lua_tests.rs

@@ -111,7 +111,7 @@ impl Test {
             (),
             Entity::from_raw(1),
             &(self.name()).into(),
-            &CallbackLabel::new("test").ok_or("invalid callback label")?,
+            &CallbackLabel::new("on_test").ok_or("invalid callback label")?,
             &mut lua,
             &context_settings.context_pre_handling_initializers,
             &mut (),