diff --git a/.travis.yml b/.travis.yml
index 4b627bd..4d65ac5 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -22,24 +22,24 @@ script:
    - make -j4
    
    # get and build gtest
-   #- wget https://googletest.googlecode.com/files/gtest-1.7.0.zip
-   #- unzip gtest-1.7.0.zip
-   #- cd gtest-1.7.0/ 
-   #- ./configure CXX=g++-5 CXXFLAGS=-std=c++1y 
-   #- make -j4 
-   #- sudo cp -a include/gtest /usr/include 
-   #- sudo cp -a lib/.libs/* /usr/lib/
-   #- cd ..
+   - wget https://googletest.googlecode.com/files/gtest-1.7.0.zip
+   - unzip gtest-1.7.0.zip
+   - cd gtest-1.7.0/ 
+   - ./configure CXX=g++-5 CXXFLAGS=-std=c++1y 
+   - make -j4 
+   - sudo cp -a include/gtest /usr/include 
+   - sudo cp -a lib/.libs/* /usr/lib/
+   - cd ..
    # TODO: make and run tests for gtest
    
    # build and run tests
-   #- cd tests/test
-   #- qmake test.pro -r -spec linux-g++ CONFIG+=release WITH_COV=TRUE LIBS+=/usr/lib/gcc/x86_64-linux-gnu/5/libstdc++.so
-   #- make -j4
-   #- ./test
-   #- cd ../../
-   #- lcov --directory . --capture --output-file coverage.info
-   #- lcov --remove coverage.info 'tests/*' '/usr/*' --output-file coverage.info
-   #- lcov --list coverage.info
-   #- coveralls-lcov --repo-token W5rWWqj02gOXKImGoV7l5jrWCWGe9jrtQ coverage.info
+   - cd tests/test
+   - qmake test.pro -r -spec linux-g++ CONFIG+=release WITH_COV=TRUE LIBS+=/usr/lib/gcc/x86_64-linux-gnu/5/libstdc++.so
+   - make -j4
+   - ./test
+   - cd ../../
+   - lcov --directory . --capture --output-file coverage.info
+   - lcov --remove coverage.info 'tests/*' '/usr/*' --output-file coverage.info
+   - lcov --list coverage.info
+   - coveralls-lcov --repo-token W5rWWqj02gOXKImGoV7l5jrWCWGe9jrtQ coverage.info
    
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