Allow ShardHeaderInnerV2 in bandwidth scheduler version

core/primitives/src/sharding.rs

@@ -609,9 +609,10 @@ impl ShardChunkHeader {
                 // In bandwidth scheduler version v3 and v4 are allowed. The first chunk in
                 // the bandwidth scheduler version will be v3 because the chunk extra for the
                 // last chunk of previous version doesn't have bandwidth requests.
-                ShardChunkHeaderInner::V2(_) => {
-                    version >= BLOCK_HEADER_V3_VERSION && version < BANDWIDTH_SCHEDULER_VERSION
-                }
+                // v2 is also allowed in the bandwidth scheduler version because there
+                // are multiple tests which upgrade from an old version directtly to the
+                // latest version. TODO(#12328) - don't allow InnerV2 in bandwidth scheduler version.
+                ShardChunkHeaderInner::V2(_) => version >= BLOCK_HEADER_V3_VERSION,
                 ShardChunkHeaderInner::V3(_) => version >= CONGESTION_CONTROL_VERSION,
                 ShardChunkHeaderInner::V4(_) => version >= BANDWIDTH_SCHEDULER_VERSION,
             },