Remove FileTest.exists? alias to exist? method

Author: andrykonchin

core/filetest/exist_spec.rb

@@ -4,3 +4,11 @@
 describe "FileTest.exist?" do
   it_behaves_like :file_exist, :exist?, FileTest
 end
+
+ruby_version_is "3.2" do
+  describe "FileTest.exists?" do
+    it "has been removed" do
+      FileTest.should_not.respond_to?(:exists?)
+    end
+  end
+end