diff --git a/Tests/SwiftOnly/SubA/SubA.swift b/Tests/SwiftOnly/SubA/SubA.swift
index e69de29bb2..09ddd88ab6 100644
--- a/Tests/SwiftOnly/SubA/SubA.swift
+++ b/Tests/SwiftOnly/SubA/SubA.swift
@@ -0,0 +1 @@
+public func hi() { print("hi") }
diff --git a/Tests/SwiftOnly/SubB/SubB.swift b/Tests/SwiftOnly/SubB/SubB.swift
index d593c4cd3f..142fdaae03 100644
--- a/Tests/SwiftOnly/SubB/SubB.swift
+++ b/Tests/SwiftOnly/SubB/SubB.swift
@@ -1 +1,3 @@
 import SubA
+
+public var number = 42