Update error message for invalid load label.

--
MOS_MIGRATED_REVID=118662172
diff --git a/src/test/java/com/google/devtools/build/lib/syntax/ParserTest.java b/src/test/java/com/google/devtools/build/lib/syntax/ParserTest.java
index 8e51987..4cc1e94 100644
--- a/src/test/java/com/google/devtools/build/lib/syntax/ParserTest.java
+++ b/src/test/java/com/google/devtools/build/lib/syntax/ParserTest.java
@@ -1142,12 +1142,12 @@
 
   @Test
   public void testInvalidRelativePathBzlExtImplicit() throws Exception {
-    invalidImportTest("file.bzl", SkylarkImports.BZL_EXT_IMPLICIT_MSG);
+    invalidImportTest("file.bzl", SkylarkImports.INVALID_PATH_SYNTAX);
   }
 
   @Test
   public void testInvalidRelativePathNoSubdirs() throws Exception {
-    invalidImportTest("path/to/file", SkylarkImports.RELATIVE_PATH_NO_SUBDIRS_MSG);
+    invalidImportTest("path/to/file", SkylarkImports.INVALID_PATH_SYNTAX);
   }
 
   @Test
diff --git a/src/test/java/com/google/devtools/build/lib/syntax/SkylarkImportTest.java b/src/test/java/com/google/devtools/build/lib/syntax/SkylarkImportTest.java
index ae0f98e..49fdd73 100644
--- a/src/test/java/com/google/devtools/build/lib/syntax/SkylarkImportTest.java
+++ b/src/test/java/com/google/devtools/build/lib/syntax/SkylarkImportTest.java
@@ -201,7 +201,7 @@
 
   @Test
   public void tesInvalidAbsolutePathBzlExtImplicit() throws Exception {
-    invalidImportTest("/some/skylark/file.bzl", SkylarkImports.BZL_EXT_IMPLICIT_MSG);
+    invalidImportTest("/some/skylark/file.bzl", SkylarkImports.INVALID_PATH_SYNTAX);
   }
 
   @Test
@@ -216,12 +216,12 @@
 
   @Test
   public void testInvalidRelativePathBzlExtImplicit() throws Exception {
-    invalidImportTest("file.bzl", SkylarkImports.BZL_EXT_IMPLICIT_MSG);
+    invalidImportTest("file.bzl", SkylarkImports.INVALID_PATH_SYNTAX);
   }
 
   @Test
   public void testInvalidRelativePathNoSubdirs() throws Exception {
-    invalidImportTest("path/to/file", SkylarkImports.RELATIVE_PATH_NO_SUBDIRS_MSG);
+    invalidImportTest("path/to/file", SkylarkImports.INVALID_PATH_SYNTAX);
   }
 
   @Test
@@ -230,4 +230,3 @@
     invalidImportTest("\tfile", SkylarkImports.INVALID_FILENAME_PREFIX);
   }
 }
-