Fixes a broken imports test

Change-Id: Iee6101fe9034b1267a4092c750f2018c94be3b50
diff --git a/com.google.eclipse.protobuf.test/src/com/google/eclipse/protobuf/validation/ImportValidator_checkUnknownSyntaxImports_withNonProto2Imports_Tests.java b/com.google.eclipse.protobuf.test/src/com/google/eclipse/protobuf/validation/ImportValidator_checkUnknownSyntaxImports_withNonProto2Imports_Tests.java
index 47e4e6c..c8b91bc 100644
--- a/com.google.eclipse.protobuf.test/src/com/google/eclipse/protobuf/validation/ImportValidator_checkUnknownSyntaxImports_withNonProto2Imports_Tests.java
+++ b/com.google.eclipse.protobuf.test/src/com/google/eclipse/protobuf/validation/ImportValidator_checkUnknownSyntaxImports_withNonProto2Imports_Tests.java
@@ -10,7 +10,7 @@
 
 import static com.google.eclipse.protobuf.junit.core.IntegrationTestModule.integrationTestModule;
 import static com.google.eclipse.protobuf.junit.core.XtextRule.overrideRuntimeModuleWith;
-import static com.google.eclipse.protobuf.protobuf.ProtobufPackage.Literals.PACKAGE__IMPORTED_NAMESPACE;
+import static com.google.eclipse.protobuf.protobuf.ProtobufPackage.Literals.IMPORT__PATH;
 import static com.google.eclipse.protobuf.validation.Messages.importingUnsupportedSyntax;
 import static org.eclipse.xtext.validation.ValidationMessageAcceptor.INSIGNIFICANT_INDEX;
 import static org.mockito.Mockito.mock;
@@ -104,7 +104,7 @@
   private void verifyThatImportingUnknownSyntaxFileCreatedWarning(Import anImport) {
     verify(messageAcceptor).acceptWarning(importingUnsupportedSyntax,
         anImport,
-        PACKAGE__IMPORTED_NAMESPACE,
+        IMPORT__PATH,
         INSIGNIFICANT_INDEX,
         null,
         new String[0]);