add test case

test/general/String.cfc

@@ -0,0 +1,17 @@
+component extends="org.lucee.cfml.test.LuceeTestCase"{
+	function beforeAll(){}
+
+	function afterAll(){}
+
+	function run( testResults , testBox ) {
+		describe( "tests for the type string", function() {
+
+			it(title="use the underlaying method", body=function(){
+				var originalString = "My phone number is 123-456-7890.";
+				var regex = "\d";  
+				var replacedString = originalString.replaceAll(regex, "*");
+				expect(replacedString).toBe("My phone number is ***-***-****.");
+			});
+		});
+	}
+}