Fix travis

.travis.yml

@@ -9,7 +9,7 @@ cache:
     - "$HOME/.choosenim"
 
 addons:
-  firefox: "60.0.1"
+  firefox: "73.0"
 
 before_install:
   - sudo apt-get -qq update
@@ -26,13 +26,13 @@ before_install:
   - sudo make -j5 install
   - cd ..
 
-  - wget https://github.com/mozilla/geckodriver/releases/download/v0.20.1/geckodriver-v0.20.1-linux64.tar.gz
+  - wget https://github.com/mozilla/geckodriver/releases/download/v0.26.0/geckodriver-v0.26.0-linux64.tar.gz
   - mkdir geckodriver
-  - tar -xzf geckodriver-v0.20.1-linux64.tar.gz -C geckodriver
+  - tar -xzf geckodriver-v0.26.0-linux64.tar.gz -C geckodriver
   - export PATH=$PATH:$PWD/geckodriver
 
 install:
-  - export CHOOSENIM_CHOOSE_VERSION="#f92d61b1f4e193bd"
+  - export CHOOSENIM_CHOOSE_VERSION="stable"
   - |
       curl https://nim-lang.org/choosenim/init.sh -sSf > init.sh
       sh init.sh -y
@@ -41,4 +41,5 @@ install:
 
 script:
   - export MOZ_HEADLESS=1
-  - nimble -y test
+  - nimble -y install
+  - nimble -y test