Update InlineExpectationsTest.qll

Author: asgerf

shared/util/codeql/util/test/InlineExpectationsTest.qll

@@ -802,7 +802,7 @@ module TestPostProcessing {
       or
       getQueryKind() = "path-problem" and
       hasExpectationWithValue(["Source", "Sink"], _) and
-      result = ["Source", "sink"]
+      result = ["Source", "Sink"]
       or
       hasExpectationWithValue("RelatedLocation", _) and
       result = "RelatedLocation"