Update TestNonExistentPropertyInSoongConfigModule

with new expected error message that reflects the real unrecognized
property

Test: TestNonExistentPropertyInSoongConfigModule and CI

Bug: 171232169
Change-Id: I5af8e62b12a80c4891d7f3b57bbf4be456b2a798
diff --git a/android/soong_config_modules_test.go b/android/soong_config_modules_test.go
index 79bdeb8..a6b2c51 100644
--- a/android/soong_config_modules_test.go
+++ b/android/soong_config_modules_test.go
@@ -376,8 +376,7 @@
 		prepareForSoongConfigTestModule,
 		FixtureWithRootAndroidBp(bp),
 	).ExtendWithErrorHandler(FixtureExpectsAllErrorsToMatchAPattern([]string{
-		// TODO(b/171232169): improve the error message for non-existent properties
-		`unrecognized property "soong_config_variables`,
+		`unrecognized property "soong_config_variables.feature1.made_up_property`,
 	})).RunTest(t)
 }