Fix inversion of result and expected fixed source code in whitespace failure message

src/Review/Test/FailureMessage.elm

@@ -388,7 +388,7 @@ but I was expecting:
 fixedCodeWhitespaceMismatch : SourceCode -> SourceCode -> ReviewError -> String
 fixedCodeWhitespaceMismatch resultingSourceCode expectedSourceCode error =
     let
-        ( resulting, expected ) =
+        ( expected, resulting ) =
             highlightDifferencesInSourceCodes resultingSourceCode expectedSourceCode
     in
     failureMessage "FIXED CODE MISMATCH (WHITESPACE ISSUE)"

tests/Review/Test/FailureMessageTest.elm

@@ -821,8 +821,8 @@ fixedCodeMismatchTest =
     test "fixedCodeMismatch" <|
         \() ->
             let
-                sourceCode : String
-                sourceCode =
+                fixedSourceCode : String
+                fixedSourceCode =
                     """module A exposing (b)
 abcd =
   1"""
@@ -842,7 +842,7 @@ abcd =
                         { start = { row = 3, column = 1 }, end = { row = 3, column = 5 } }
             in
             FailureMessage.fixedCodeMismatch
-                sourceCode
+                fixedSourceCode
                 expectedSourceCode
                 error
                 |> expectMessageEqual """