Add tests for simple article property script, fix error in previous

OPML xctest function (wrong name for test function).

EvergreenTests/ScriptingTests/ScriptingTests.swift

@@ -94,8 +94,12 @@ class ScriptingTests: XCTestCase {
         _ = doIndividualScript(filename: "testNameOfAuthors")
     }
     
-    func testNameOfAuthorsScript() {
+    func testFeedOPML() {
         _ = doIndividualScript(filename: "testFeedOPML")
     }
 
+    func testTitleOfArticlesWhoseScript() {
+        _ = doIndividualScript(filename: "testTitleOfArticlesWhose")
+    }
+
 }