[nsidc_tests] Upload codecov report for tests requiring Earthdata login

Move the codecov setup to the install step to reduce repetition, so that both the 'basic tests' and 'behind Earthdata' stages can use the same codecov uploader script.

.travis.yml

@@ -16,6 +16,15 @@ install:
   - source activate icepyx-env
   - pip install -r requirements.txt -r requirements-dev.txt
   - pip install -e .[complete]
+  # Setup codecov
+  # includes an integrity check of the uploader as recommended by CodeCov
+  - curl https://keybase.io/codecovsecurity/pgp_keys.asc | gpg --no-default-keyring --keyring trustedkeys.gpg --import # One-time step
+  - curl -Os https://uploader.codecov.io/latest/linux/codecov
+  - curl -Os https://uploader.codecov.io/latest/linux/codecov.SHA256SUM
+  - curl -Os https://uploader.codecov.io/latest/linux/codecov.SHA256SUM.sig
+  - gpgv codecov.SHA256SUM.sig codecov.SHA256SUM
+  - shasum -a 256 -c codecov.SHA256SUM
+  - chmod +x codecov
 
 stages:
   - name: basic tests
@@ -28,17 +37,11 @@ jobs:
   include:
     - stage: basic tests
       script: pytest icepyx/ --verbose --cov app --ignore=icepyx/tests/test_behind_NSIDC_API_login.py --ignore=icepyx/tests/test_auth.py
-      # includes an integrity check of the uploader as recommended by CodeCov
       after_success:
-        - curl https://keybase.io/codecovsecurity/pgp_keys.asc | gpg --no-default-keyring --keyring trustedkeys.gpg --import # One-time step
-        - curl -Os https://uploader.codecov.io/latest/linux/codecov
-        - curl -Os https://uploader.codecov.io/latest/linux/codecov.SHA256SUM
-        - curl -Os https://uploader.codecov.io/latest/linux/codecov.SHA256SUM.sig
-        - gpgv codecov.SHA256SUM.sig codecov.SHA256SUM
-        - shasum -a 256 -c codecov.SHA256SUM
-        - chmod +x codecov
         - ./codecov -t ${CODECOV_TOKEN}
     - stage: behind Earthdata
       script:
         - export EARTHDATA_PASSWORD=$NSIDC_LOGIN
         - pytest icepyx/tests/test_behind_NSIDC_API_login.py icepyx/tests/test_auth.py
+      after_success:
+        - ./codecov -t ${CODECOV_TOKEN}