Make stale_price tests to run on all platforms (#41)

Author: ali-behjati

pyth-sdk-solana/test-contract/tests/stale_price.rs

@@ -1,5 +1,3 @@
-#![cfg(feature = "test-bpf")] // Only runs on bpf, where solana programs run
-
 use pyth_sdk_solana::state::{
     AccountType,
     PriceAccount,
@@ -44,9 +42,12 @@ async fn test_price_stale() {
     // (its ~1-5). As the check will be 5u - 100u ~= 1e18 > MAX_SLOT_DIFFERENCE. It can only
     // break when Solana slot in the test suite becomes between 100 and 100+MAX_SLOT_DIFFERENCE.
     price.agg.pub_slot = 100;
-    test_instr_exec_ok(instruction::price_status_check(
-        &price,
-        PriceStatus::Unknown,
-    ))
-    .await;
+
+    #[cfg(feature = "test-bpf")] // Only in BPF the clock check is performed
+    let expected_status = PriceStatus::Unknown;
+
+    #[cfg(not(feature = "test-bpf"))]
+    let expected_status = PriceStatus::Trading;
+
+    test_instr_exec_ok(instruction::price_status_check(&price, expected_status)).await;
 }