fix doc tests

near-sdk/src/environment/env.rs

@@ -57,8 +57,8 @@ macro_rules! method_into_register {
 ///
 /// ```no_run
 /// # let context = near_sdk::test_utils::VMContextBuilder::new().build();
-/// # let vm_config = Default::default();
-/// # let fees_config = Default::default();
+/// # let vm_config = near_sdk::VMConfig::test();
+/// # let fees_config = near_sdk::RuntimeFeesConfig::test();
 /// # let storage = Default::default();
 /// # let validators = Default::default();
 /// let mocked_blockchain = near_sdk::MockedBlockchain::new(

near-sdk/src/test_utils/mod.rs

@@ -42,8 +42,8 @@ pub use context::{accounts, testing_env_with_promise_results, VMContextBuilder};
 /// // Or include arguments up to the five optional
 /// testing_env!(
 ///     context,
-///     VMConfig::default(),
-///     RuntimeFeesConfig::default(),
+///     VMConfig::test(),
+///     RuntimeFeesConfig::test(),
 ///     HashMap::default(),
 ///     Vec::default(),
 /// );