revert get enabled features sorted (#229)

Author: arafay-folio3

OptimizelySDKCore/OptimizelySDKCore/Optimizely.m

@@ -363,8 +363,7 @@ - (NSString *)getFeatureVariableString:(nullable NSString *)featureKey
             [enabledFeatures addObject:featureKey];
         }
     }
-    NSArray *enabledFeaturesSorted = [enabledFeatures sortedArrayUsingSelector:@selector(caseInsensitiveCompare:)];
-    return enabledFeaturesSorted;
+    return enabledFeatures;
 }
 
 #pragma mark trackEvent methods

OptimizelySDKCore/OptimizelySDKCoreTests/OptimizelyTest.m

@@ -964,15 +964,6 @@ -(void)testGetEnabledFeaturesWithSomeFeaturesEnabledForUser {
     XCTAssertEqualObjects(features, enabledFeatures);
 }
 
-// should return sorted feature array as some feature is enabled for user
--(void)testGetEnabledFeaturesSortedWithSomeFeaturesEnabledForUser {
-    NSArray<NSString *> *sortedEnabledFeatures = @[@"booleanFeature", @"booleanSingleVariableFeature", @"multiVariateFeature"];
-    NSArray<NSString *> *unSortedEnabledFeatures = @[ @"multiVariateFeature", @"booleanFeature", @"booleanSingleVariableFeature"];
-    NSArray<NSString *> *features = [self.optimizely getEnabledFeatures:kUserId attributes:self.attributes];
-    XCTAssertEqualObjects(features, sortedEnabledFeatures);
-    XCTAssertNotEqualObjects(features, unSortedEnabledFeatures);
-}
-
 #pragma mark - Helper Methods
 
 - (id)getOptimizelyMockForFeatureVariableType:(NSString *)featureVariableType variableKey:(NSString *)variableKey expectedReturn:(NSString *)expectedReturn {

OptimizelySDKCore/OptimizelySDKCoreTests/TestData/test_data_10_experiments.json

@@ -713,29 +713,6 @@
       "experimentIds": [],
       "variables": []
     },
-    {
-      "id": "155559",
-      "key": "multiVariateFeature",
-      "groupId": "",
-      "rolloutId": "",
-      "experimentIds": [
-        "6358043287"
-      ],
-      "variables": [
-        {
-          "id": "155560",
-          "key": "firstLetter",
-          "type": "string",
-          "defaultValue": "H"
-        },
-        {
-          "id": "155561",
-          "key": "restOfName",
-          "type": "string",
-          "defaultValue": "arry"
-        }
-      ]
-    },
     {
       "id": "155549",
       "key": "booleanFeature",
@@ -788,6 +765,29 @@
         }
       ]
     },
+    {
+      "id": "155559",
+      "key": "multiVariateFeature",
+      "groupId": "",
+      "rolloutId": "",
+      "experimentIds": [
+        "6358043287"
+      ],
+      "variables": [
+        {
+          "id": "155560",
+          "key": "firstLetter",
+          "type": "string",
+          "defaultValue": "H"
+        },
+        {
+          "id": "155561",
+          "key": "restOfName",
+          "type": "string",
+          "defaultValue": "arry"
+        }
+      ]
+    },
     {
       "id": "155666",
       "key": "doubleSingleVariableFeature",