Fixed tests and reformatted some code to fix a reported exception.

Author: srdubya

PSReadLine/PublicAPI.cs

@@ -104,8 +104,11 @@ public static void Replace(int start, int length, string replacement, Action<Con
 
             bool useEditGroup = (_singleton._editGroupStart == -1);
 
-            if(useEditGroup)
+            if (useEditGroup)
+            {
                 _singleton.StartEditGroup();
+            }
+
             var str = _singleton._buffer.ToString(start, length);
             _singleton.SaveEditItem(EditItemDelete.Create(str, start));
             _singleton._buffer.Remove(start, length);
@@ -119,9 +122,12 @@ public static void Replace(int start, int length, string replacement, Action<Con
             {
                 _singleton._current = start;
             }
-            if(useEditGroup)
+
+            if (useEditGroup)
+            {
                 _singleton.EndEditGroup(instigator, instigatorArg); // Instigator is needed for VI undo
-            _singleton.Render();
+                _singleton.Render();
+            }
         }
 
         /// <summary>

UnitTestPSReadLine/BasicEditingTest.VI.cs

@@ -806,8 +806,8 @@ public void ViTestComplete()
 
             Test("ambiguousness", Keys(
                 "ambag", CheckThat(() => AssertLineIs("ambag")),
-                _.Escape, "hCig", _.Tab, CheckThat(() => AssertLineIs("ambiguous1")),
-                _.Escape, "Cness"
+                _.Escape, "hCig", _.Tab, CheckThat(() => AssertLineIs("ambiguous")),
+                _.Escape, "Csness"
                 ));
         }
     }