add test for disabled SCP

Author: retailcoder

RubberduckTests/AutoComplete/SelfClosingPairHandlerTests.cs

@@ -20,6 +20,18 @@ private bool Run(SelfClosingPairTestInfo info)
             return false;
         }
 
+        [Test]
+        public void GivenDisabledSelfClosingPairs_BailsOut()
+        {
+            var input = '"';
+            var original = "DoSomething |".ToCodeString();
+            var info = new SelfClosingPairTestInfo(original, input);
+            info.Settings.SelfClosingPairs.IsEnabled = false;
+
+            Assert.IsFalse(Run(info));
+            Assert.IsNull(info.Result);
+        }
+
         [Test]
         public void GivenInvalidInput_ResultIsNull()
         {