Forgot to remove previous env block, so I did that.

.travis.yml

@@ -4,21 +4,6 @@ language: python
 
 cache: pip
 
-#env:
-  - CORE_TESTS=tests/core_tests/scoring_tests.py
-  - CORE_TESTS=tests/core_tests/basic_tests.py
-  - CORE_TESTS=tests/core_tests/api_coverage_tests_classifiers.py
-  - CORE_TESTS=tests/core_tests/api_coverage_tests_regressors.py
-  - CORE_TESTS=tests/core_tests/calibrate_classifier_tests.py
-  - CORE_TESTS=tests/core_tests/categorical_ensembling_test.py
-  - CORE_TESTS=tests/core_tests/test_prediction_intervals.py
-  - CORE_TESTS=tests/core_tests/trained_transformation_pipeline_tests.py
-  - CORE_TESTS=tests/core_tests/uncertainty_tests.py
-  - CORE_TESTS=tests/core_tests/user_logging_tests.py
-  - ADVANCED_TESTS=tests/advanced_tests/automated_tests_regressors.py
-  - ADVANCED_TESTS=tests/advanced_tests/automated_tests_classifiers.py
-  - ADVANCED_TESTS=tests/advanced_tests/advanced_install_tests.py
-
 before_install: # Code coverage for codeclimate
   - curl -L https://codeclimate.com/downloads/test-reporter/test-reporter-latest-linux-amd64 > ./cc-test-reporter
   - chmod +x ./cc-test-reporter