Update tests to use the label-based load() syntax.

RELNOTES: None.
PiperOrigin-RevId: 177487913
diff --git a/src/test/java/com/google/devtools/build/lib/skylark/SkylarkRuleClassFunctionsTest.java b/src/test/java/com/google/devtools/build/lib/skylark/SkylarkRuleClassFunctionsTest.java
index ccf7309..0371315 100644
--- a/src/test/java/com/google/devtools/build/lib/skylark/SkylarkRuleClassFunctionsTest.java
+++ b/src/test/java/com/google/devtools/build/lib/skylark/SkylarkRuleClassFunctionsTest.java
@@ -951,7 +951,7 @@
         "  }",
         ")");
     scratch.file("third_party/foo/BUILD",
-        "load('/test/rule', 'some_rule')",
+        "load('//test:rule.bzl', 'some_rule')",
         "some_rule(",
         "    name='r',",
         "    licenses = ['unencumbered']",
@@ -1604,7 +1604,7 @@
       ")"
     );
     scratch.file("third_party/foo/BUILD",
-      "load('extension',  'my_rule')",
+      "load(':extension.bzl', 'my_rule')",
       "my_rule(name = 'main', exe = ':tool.sh')"
     );