[Remote suggestions] Clean up variation params in the fetcher.

components/ntp_snippets/remote/remote_suggestions_fetcher_unittest.cc

Index: components/ntp_snippets/remote/remote_suggestions_fetcher_unittest.cc
diff --git a/components/ntp_snippets/remote/remote_suggestions_fetcher_unittest.cc b/components/ntp_snippets/remote/remote_suggestions_fetcher_unittest.cc
index 14ac6b11058cd907a5a27a2c85540503409cd60d..f5716a1e768d5328cb295b129ae56e903b1db1d4 100644
--- a/components/ntp_snippets/remote/remote_suggestions_fetcher_unittest.cc
+++ b/components/ntp_snippets/remote/remote_suggestions_fetcher_unittest.cc
@@ -267,6 +267,8 @@ void ParseJsonDelayed(const std::string& json,
 
 }  // namespace
 
+// TODO(jkrcal): Add unit-tests with signin client being signed in (covering
+// sign-in / refresh tokens / access token code). crbug.com/688310
 class RemoteSuggestionsFetcherTestBase : public testing::Test {
  public:
   explicit RemoteSuggestionsFetcherTestBase(const GURL& gurl)
@@ -682,26 +684,6 @@ TEST_F(NTPSnippetsContentSuggestionsFetcherTest, ExclusiveCategoryOnly) {
               Eq("http://localhost/foo2"));
 }
 
-// TODO(fhorschig): Check for behavioral changes instead of state.
-TEST_F(ChromeReaderSnippetsFetcherTest, PersonalizesDependingOnVariations) {
-  // Default setting should be both personalization options.
-  EXPECT_THAT(snippets_fetcher().personalization(), Eq(Personalization::kBoth));
-
-  SetVariationParam("fetching_personalization", "personal");
-  ResetSnippetsFetcher();
-  EXPECT_THAT(snippets_fetcher().personalization(),
-              Eq(Personalization::kPersonal));
-
-  SetVariationParam("fetching_personalization", "non_personal");
-  ResetSnippetsFetcher();
-  EXPECT_THAT(snippets_fetcher().personalization(),
-              Eq(Personalization::kNonPersonal));
-
-  SetVariationParam("fetching_personalization", "both");
-  ResetSnippetsFetcher();
-  EXPECT_THAT(snippets_fetcher().personalization(), Eq(Personalization::kBoth));
-}
-
 TEST_F(ChromeReaderSnippetsFetcherTest, ShouldFetchSuccessfullyEmptyList) {
   const std::string kJsonStr = "{\"recos\": []}";
   SetFakeResponse(/*response_data=*/kJsonStr, net::HTTP_OK,