Always set _test_utils when building lightning for some tests

This ensures that we hit additional assertions which are intended
to always be run in tests.

Author: TheBlueMatt

fuzz/Cargo.toml

@@ -18,7 +18,7 @@ libfuzzer_fuzz = ["libfuzzer-sys"]
 stdin_fuzz = []
 
 [dependencies]
-lightning = { path = "../lightning", features = ["regex", "hashbrown"] }
+lightning = { path = "../lightning", features = ["regex", "hashbrown", "_test_utils"] }
 lightning-rapid-gossip-sync = { path = "../lightning-rapid-gossip-sync" }
 bitcoin = { version = "0.29.0", features = ["secp-lowmemory"] }
 hex = "0.3"

lightning-block-sync/Cargo.toml

@@ -27,4 +27,5 @@ serde_json = { version = "1.0", optional = true }
 chunked_transfer = { version = "1.4", optional = true }
 
 [dev-dependencies]
+lightning = { version = "0.0.113", path = "../lightning", features = ["_test_utils"] }
 tokio = { version = "~1.14", features = [ "macros", "rt" ] }

lightning-net-tokio/Cargo.toml

@@ -21,3 +21,4 @@ tokio = { version = "1.0", features = [ "io-util", "macros", "rt", "sync", "net"
 
 [dev-dependencies]
 tokio = { version = "~1.14", features = [ "io-util", "macros", "rt", "rt-multi-thread", "sync", "net", "time" ] }
+lightning = { version = "0.0.113", path = "../lightning", features = ["_test_utils"] }