diff --git a/android/config.go b/android/config.go
index 4f35114..f30a708 100644
--- a/android/config.go
+++ b/android/config.go
@@ -185,6 +185,25 @@
 	return Config{config}
 }
 
+// TestConfig returns a Config object suitable for using for tests that need to run the arch mutator
+func TestArchConfig(buildDir string) Config {
+	testConfig := TestConfig(buildDir)
+	config := testConfig.config
+
+	config.Targets = map[OsClass][]Target{
+		Device: []Target{
+			{Android, Arch{ArchType: Arm64, Native: true}},
+			{Android, Arch{ArchType: Arm, Native: true}},
+		},
+		Host: []Target{
+			{BuildOs, Arch{ArchType: X86_64}},
+			{BuildOs, Arch{ArchType: X86}},
+		},
+	}
+
+	return testConfig
+}
+
 // New creates a new Config object.  The srcDir argument specifies the path to
 // the root source directory. It also loads the config file, if found.
 func NewConfig(srcDir, buildDir string) (Config, error) {
diff --git a/android/mutator.go b/android/mutator.go
index e20bc2c..04407eb 100644
--- a/android/mutator.go
+++ b/android/mutator.go
@@ -78,11 +78,13 @@
 	RegisterDefaultsPreArchMutators,
 }
 
+func registerArchMutator(ctx RegisterMutatorsContext) {
+	ctx.BottomUp("arch", archMutator).Parallel()
+	ctx.TopDown("arch_hooks", archHookMutator).Parallel()
+}
+
 var preDeps = []RegisterMutatorFunc{
-	func(ctx RegisterMutatorsContext) {
-		ctx.BottomUp("arch", archMutator).Parallel()
-		ctx.TopDown("arch_hooks", archHookMutator).Parallel()
-	},
+	registerArchMutator,
 }
 
 var postDeps = []RegisterMutatorFunc{
diff --git a/android/testing.go b/android/testing.go
index 4144775..519e279 100644
--- a/android/testing.go
+++ b/android/testing.go
@@ -27,6 +27,12 @@
 	}
 }
 
+func NewTestArchContext() *TestContext {
+	ctx := NewTestContext()
+	ctx.preDeps = append(ctx.preDeps, registerArchMutator)
+	return ctx
+}
+
 type TestContext struct {
 	*blueprint.Context
 	preArch, preDeps, postDeps []RegisterMutatorFunc