Automated rollback of commit 81ab902812b0141ef034ec39338bfeefdd5254ef.

*** Reason for rollback ***

Memory regression.

RELNOTES: None

*** Original change description ***

Package Lookup: support inidividual error messages

Instead of having a single instance of NoBuildFilePackageLookupValue
(which necessarily will provide a very generic error message) support
several instances with more specific error messages. Use them to
indicate the places where a BUILD was searched for.

Fixes #7457.

Change-not-actually-to-trick-Copybara-Id: Ib5cbf198cb3926d0f619760f8d00774dd468a214
PiperOrigin-RevId: 237266579
diff --git a/src/test/java/com/google/devtools/build/lib/skyframe/PackageLookupFunctionTest.java b/src/test/java/com/google/devtools/build/lib/skyframe/PackageLookupFunctionTest.java
index d774450..2e56120 100644
--- a/src/test/java/com/google/devtools/build/lib/skyframe/PackageLookupFunctionTest.java
+++ b/src/test/java/com/google/devtools/build/lib/skyframe/PackageLookupFunctionTest.java
@@ -349,6 +349,8 @@
             PackageLookupValue.success(root2, BuildFileName.BUILD),
             PackageLookupValue.success(root2, BuildFileName.BUILD))
         .addEqualityGroup(
+            PackageLookupValue.NO_BUILD_FILE_VALUE, PackageLookupValue.NO_BUILD_FILE_VALUE)
+        .addEqualityGroup(
             PackageLookupValue.DELETED_PACKAGE_VALUE, PackageLookupValue.DELETED_PACKAGE_VALUE)
         .addEqualityGroup(
             PackageLookupValue.invalidPackageName("nope1"),