Update to use new challenge.track name + added QA

Author: luizrrodrigues

__tests__/__snapshots__/index.js.snap

@@ -372,10 +372,10 @@ Object {
   },
   "tc": Object {
     "COMPETITION_TRACKS": Object {
-      "DATA_SCIENCE": "data_science",
-      "DESIGN": "design",
-      "DEVELOP": "develop",
-      "QA": "qa",
+      "DATA_SCIENCE": "Data Science",
+      "DESIGN": "Design",
+      "DEVELOP": "Development",
+      "QA": "Quality Assurance",
     },
     "REVIEW_OPPORTUNITY_TYPES": Object {
       "Contest Review": "Review",

src/utils/challenge/filter.js

@@ -159,20 +159,7 @@ function filterByText(challenge, state) {
 
 function filterByTrack(challenge, state) {
   if (!state.tracks) return true;
-
-  /* Development challenges having Data Science and QA tech tag, still should be
-   * included into data science and qa tracks. */
-  if (state.tracks[COMPETITION_TRACKS.DATA_SCIENCE]
-    && _.includes(challenge.tags, 'Data Science')) {
-    return true;
-  }
-
-  if (state.tracks[COMPETITION_TRACKS.QA]
-    && _.includes(challenge.tags, 'QA')) {
-    return true;
-  }
-
-  return _.keys(state.tracks).some(track => challenge.communities.has(track));
+  return _.keys(state.tracks).some(track => challenge.track === track);
 }
 
 function filterByTypes(challenge, state) {

src/utils/tc.js

@@ -11,10 +11,10 @@
  * uses upper-case literals to encode the tracks. At some point, we should
  * update it in this code as well! */
 export const COMPETITION_TRACKS = {
-  DATA_SCIENCE: 'data_science',
-  DESIGN: 'design',
-  DEVELOP: 'develop',
-  QA: 'qa',
+  DATA_SCIENCE: 'Data Science',
+  DESIGN: 'Design',
+  DEVELOP: 'Development',
+  QA: 'Quality Assurance',
 };
 
 /**