diff --git a/Cargo.toml b/Cargo.toml
index e22d78d3cf..57b5de8ce3 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -16,6 +16,7 @@ members = [
 	"beacon_node",
 	"beacon_node/db",
 	"beacon_node/beacon_chain",
+	"beacon_node/beacon_chain/test_harness",
 	"protos",
 	"validator_client",
 ]
diff --git a/beacon_node/beacon_chain/test_harness/Cargo.toml b/beacon_node/beacon_chain/test_harness/Cargo.toml
new file mode 100644
index 0000000000..6972e4df2d
--- /dev/null
+++ b/beacon_node/beacon_chain/test_harness/Cargo.toml
@@ -0,0 +1,22 @@
+[package]
+name = "test_harness"
+version = "0.1.0"
+authors = ["Paul Hauner <paul@paulhauner.com>"]
+edition = "2018"
+
+[dependencies]
+beacon_chain = { path = "../../beacon_chain" }
+block_producer = { path = "../../../eth2/block_producer" }
+bls = { path = "../../../eth2/utils/bls" }
+boolean-bitfield = { path = "../../../eth2/utils/boolean-bitfield" }
+db = { path = "../../db" }
+failure = "0.1"
+failure_derive = "0.1"
+genesis = { path = "../../../eth2/genesis" }
+hashing = { path = "../../../eth2/utils/hashing" }
+serde = "1.0"
+serde_derive = "1.0"
+serde_json = "1.0"
+slot_clock = { path = "../../../eth2/utils/slot_clock" }
+ssz = { path = "../../../eth2/utils/ssz" }
+types = { path = "../../../eth2/types" }
diff --git a/beacon_node/beacon_chain/tests/utils/benching_beacon_node.rs b/beacon_node/beacon_chain/test_harness/src/benching_beacon_node.rs
similarity index 100%
rename from beacon_node/beacon_chain/tests/utils/benching_beacon_node.rs
rename to beacon_node/beacon_chain/test_harness/src/benching_beacon_node.rs
diff --git a/beacon_node/beacon_chain/tests/utils/direct_beacon_node.rs b/beacon_node/beacon_chain/test_harness/src/direct_beacon_node.rs
similarity index 100%
rename from beacon_node/beacon_chain/tests/utils/direct_beacon_node.rs
rename to beacon_node/beacon_chain/test_harness/src/direct_beacon_node.rs
diff --git a/beacon_node/beacon_chain/tests/utils/direct_duties.rs b/beacon_node/beacon_chain/test_harness/src/direct_duties.rs
similarity index 100%
rename from beacon_node/beacon_chain/tests/utils/direct_duties.rs
rename to beacon_node/beacon_chain/test_harness/src/direct_duties.rs
diff --git a/beacon_node/beacon_chain/tests/utils/mod.rs b/beacon_node/beacon_chain/test_harness/src/lib.rs
similarity index 100%
rename from beacon_node/beacon_chain/tests/utils/mod.rs
rename to beacon_node/beacon_chain/test_harness/src/lib.rs
diff --git a/beacon_node/beacon_chain/tests/utils/test_rig.rs b/beacon_node/beacon_chain/test_harness/src/test_rig.rs
similarity index 99%
rename from beacon_node/beacon_chain/tests/utils/test_rig.rs
rename to beacon_node/beacon_chain/test_harness/src/test_rig.rs
index 7de2c4e564..f50f106980 100644
--- a/beacon_node/beacon_chain/tests/utils/test_rig.rs
+++ b/beacon_node/beacon_chain/test_harness/src/test_rig.rs
@@ -2,7 +2,6 @@ use super::TestValidator;
 pub use beacon_chain::dump::{Error as DumpError, SlotDump};
 use beacon_chain::BeaconChain;
 use block_producer::BeaconNode;
-#[cfg(test)]
 use db::{
     stores::{BeaconBlockStore, BeaconStateStore},
     MemoryDB,
diff --git a/beacon_node/beacon_chain/tests/utils/validator.rs b/beacon_node/beacon_chain/test_harness/src/validator.rs
similarity index 99%
rename from beacon_node/beacon_chain/tests/utils/validator.rs
rename to beacon_node/beacon_chain/test_harness/src/validator.rs
index e4c0846a9a..1a04015425 100644
--- a/beacon_node/beacon_chain/tests/utils/validator.rs
+++ b/beacon_node/beacon_chain/test_harness/src/validator.rs
@@ -1,6 +1,5 @@
 use super::{BenchingBeaconNode, DirectDuties};
 use beacon_chain::BeaconChain;
-#[cfg(test)]
 use block_producer::{test_utils::TestSigner, BlockProducer, Error as PollError};
 use db::MemoryDB;
 use slot_clock::TestingSlotClock;
diff --git a/beacon_node/beacon_chain/tests/chain.rs b/beacon_node/beacon_chain/test_harness/tests/chain.rs
similarity index 63%
rename from beacon_node/beacon_chain/tests/chain.rs
rename to beacon_node/beacon_chain/test_harness/tests/chain.rs
index 4aacf9ac18..6130f4c5db 100644
--- a/beacon_node/beacon_chain/tests/chain.rs
+++ b/beacon_node/beacon_chain/test_harness/tests/chain.rs
@@ -1,11 +1,17 @@
-use self::utils::TestRig;
+use test_harness::TestRig;
 use types::ChainSpec;
 
-mod utils;
+#[test]
+fn it_can_build_on_genesis_block() {
+    let validator_count = 2;
+    let mut rig = TestRig::new(ChainSpec::foundation(), validator_count);
+
+    rig.advance_chain_with_block();
+}
 
 #[test]
 #[ignore]
-fn it_can_produce_blocks() {
+fn it_can_produce_past_first_epoch_boundary() {
     let validator_count = 2;
     let mut rig = TestRig::new(ChainSpec::foundation(), validator_count);