diff --git a/android/config.go b/android/config.go
index e86fc27..4992882 100644
--- a/android/config.go
+++ b/android/config.go
@@ -127,6 +127,11 @@
 	return []bootstrap.PrimaryBuilderInvocation{}
 }
 
+// RunningInsideUnitTest returns true if this code is being run as part of a Soong unit test.
+func (c Config) RunningInsideUnitTest() bool {
+	return c.config.TestProductVariables != nil
+}
+
 // A DeviceConfig object represents the configuration for a particular device
 // being built. For now there will only be one of these, but in the future there
 // may be multiple devices being built.