diff --git a/activesupport/test/testing/file_fixtures_test.rb b/activesupport/test/testing/file_fixtures_test.rb
index 91b8a9071cf332995187d3217d2be01a2d60a06c..3587c1a4d1e8dfa63f89ae0d92aca951d1b12e18 100644
--- a/activesupport/test/testing/file_fixtures_test.rb
+++ b/activesupport/test/testing/file_fixtures_test.rb
@@ -6,7 +6,7 @@ class FileFixturesTest < ActiveSupport::TestCase
   test "#file_fixture returns Pathname to file fixture" do
     path = file_fixture("sample.txt")
     assert_kind_of Pathname, path
-    assert_match %r{activesupport/test/file_fixtures/sample.txt$}, path.to_s
+    assert_match %r{.*/test/file_fixtures/sample.txt$}, path.to_s
   end
 
   test "raises an exception when the fixture file does not exist" do
@@ -23,6 +23,6 @@ class FileFixturesPathnameDirectoryTest < ActiveSupport::TestCase
   test "#file_fixture_path returns Pathname to file fixture" do
     path = file_fixture("sample.txt")
     assert_kind_of Pathname, path
-    assert_match %r{activesupport/test/file_fixtures/sample.txt$}, path.to_s
+    assert_match %r{.*/test/file_fixtures/sample.txt$}, path.to_s
   end
 end