diff --git a/client/test/position_authority_client_test.gd b/client/test/position_authority_client_test.gd
index 40eaac2..85b9757 100644
--- a/client/test/position_authority_client_test.gd
+++ b/client/test/position_authority_client_test.gd
@@ -31,6 +31,7 @@ class MockHttpTransport:
 # Holds _busy without completing (never emits request_completed).
 class HangingHttpTransport:
 	extends Node
+	@warning_ignore("unused_signal")
 	signal request_completed(
 		result: int, response_code: int, headers: PackedStringArray, body: PackedByteArray
 	)
@@ -46,72 +47,72 @@ class HangingHttpTransport:
 		return OK
 
 
-func _make_client(mock: Node) -> Node:
+func _make_client(http_transport: Node) -> Node:
 	var c: Node = PositionAuthorityTestDouble.new()
-	c.set("injected_http", mock)
-	auto_free(mock)
+	c.set("injected_http", http_transport)
+	auto_free(http_transport)
 	auto_free(c)
 	add_child(c)
 	return c
 
 
 func test_sync_boot_get_200_emits_snap() -> void:
-	var mock := MockHttpTransport.new()
-	mock.enqueue(HTTPRequest.RESULT_SUCCESS, 200, '{"position":{"x":1,"y":0.9,"z":-5}}')
-	var c := _make_client(mock)
+	var transport := MockHttpTransport.new()
+	transport.enqueue(HTTPRequest.RESULT_SUCCESS, 200, '{"position":{"x":1,"y":0.9,"z":-5}}')
+	var c := _make_client(transport)
 	monitor_signals(c)
 	c.sync_from_server()
-	await assert_signal(c).is_emitted(
+	assert_signal(c).is_emitted(
 		"authoritative_position_received", Vector3(1.0, 0.9, -5.0), true
 	)
 
 
 func test_sync_boot_get_200_malformed_position_does_not_emit() -> void:
-	var mock := MockHttpTransport.new()
-	mock.enqueue(HTTPRequest.RESULT_SUCCESS, 200, '{"position":"invalid"}')
-	var c := _make_client(mock)
+	var transport := MockHttpTransport.new()
+	transport.enqueue(HTTPRequest.RESULT_SUCCESS, 200, '{"position":"invalid"}')
+	var c := _make_client(transport)
 	monitor_signals(c)
 	c.sync_from_server()
-	await assert_signal(c).wait_until(400).is_not_emitted("authoritative_position_received")
+	assert_signal(c).wait_until(400).is_not_emitted("authoritative_position_received")
 
 
 func test_move_stream_post_400_emits_move_rejected_then_boot_get() -> void:
-	var mock := MockHttpTransport.new()
-	mock.enqueue(HTTPRequest.RESULT_SUCCESS, 400, '{"reasonCode":"vertical_step_exceeded"}')
-	mock.enqueue(HTTPRequest.RESULT_SUCCESS, 200, '{"position":{"x":0,"y":0.9,"z":0}}')
-	var c := _make_client(mock)
+	var transport := MockHttpTransport.new()
+	transport.enqueue(HTTPRequest.RESULT_SUCCESS, 400, '{"reasonCode":"vertical_step_exceeded"}')
+	transport.enqueue(HTTPRequest.RESULT_SUCCESS, 200, '{"position":{"x":0,"y":0.9,"z":0}}')
+	var c := _make_client(transport)
 	monitor_signals(c)
 	c.submit_stream_targets([Vector3(1.0, 2.0, 3.0)])
-	await assert_signal(c).is_emitted("move_rejected", "vertical_step_exceeded")
-	await assert_signal(c).is_emitted(
+	assert_signal(c).is_emitted("move_rejected", "vertical_step_exceeded")
+	assert_signal(c).is_emitted(
 		"authoritative_position_received", Vector3(0.0, 0.9, 0.0), true
 	)
 
 
 func test_move_stream_post_400_without_reason_emits_unknown() -> void:
-	var mock := MockHttpTransport.new()
-	mock.enqueue(HTTPRequest.RESULT_SUCCESS, 400, "{}")
-	mock.enqueue(HTTPRequest.RESULT_SUCCESS, 200, '{"position":{"x":1,"y":0.9,"z":1}}')
-	var c := _make_client(mock)
+	var transport := MockHttpTransport.new()
+	transport.enqueue(HTTPRequest.RESULT_SUCCESS, 400, "{}")
+	transport.enqueue(HTTPRequest.RESULT_SUCCESS, 200, '{"position":{"x":1,"y":0.9,"z":1}}')
+	var c := _make_client(transport)
 	monitor_signals(c)
 	c.submit_stream_targets([Vector3.ZERO])
-	await assert_signal(c).is_emitted("move_rejected", "unknown")
-	await assert_signal(c).is_emitted(
+	assert_signal(c).is_emitted("move_rejected", "unknown")
+	assert_signal(c).is_emitted(
 		"authoritative_position_received", Vector3(1.0, 0.9, 1.0), true
 	)
 
 
 func test_second_sync_while_busy_is_ignored() -> void:
-	var mock := HangingHttpTransport.new()
-	var c := _make_client(mock)
+	var transport := HangingHttpTransport.new()
+	var c := _make_client(transport)
 	c.sync_from_server()
 	c.sync_from_server()
-	assert_that(mock.request_count).is_equal(1)
+	assert_that(transport.request_count).is_equal(1)
 
 
 func test_move_stream_post_200_does_not_emit_position() -> void:
-	var mock := MockHttpTransport.new()
-	mock.enqueue(
+	var transport := MockHttpTransport.new()
+	transport.enqueue(
 		HTTPRequest.RESULT_SUCCESS,
 		200,
 		(
@@ -119,7 +120,7 @@ func test_move_stream_post_200_does_not_emit_position() -> void:
 			+ '"sequence":3}'
 		)
 	)
-	var c := _make_client(mock)
+	var c := _make_client(transport)
 	monitor_signals(c)
 	c.submit_stream_targets([Vector3(-4.9, 0.9, -5.0)])
-	await assert_signal(c).wait_until(400).is_not_emitted("authoritative_position_received")
+	assert_signal(c).wait_until(400).is_not_emitted("authoritative_position_received")