Updated travis

.travis.yml

@@ -1,11 +1,30 @@
 language: python
+
 python:
-  - "3.8"
+  - 3.8
 
-install: 
-  - pip install openmdao testflo
-  - pip install -e .
-  - pip list
+install:
+  - sudo apt-get update
+  # We do this conditionally because it saves us some downloading if the
+  # version is the same.
+  - wget https://repo.continuum.io/miniconda/Miniconda3-latest-Linux-x86_64.sh -O miniconda.sh;
+  - bash miniconda.sh -b -p $HOME/miniconda
+  - source "$HOME/miniconda/etc/profile.d/conda.sh"
+  - hash -r
+  - conda config --set always_yes yes --set changeps1 no
+  - conda update -q conda
+  - conda config --add channels conda-forge
+  # Useful for debugging any issues with conda
+  - conda info -a
 
+  # Create environment and install dependences dependencies
+  - conda create -q -n test-environment python=$TRAVIS_PYTHON_VERSION
+  - conda activate test-environment
+  - conda install -q --yes compilers matplotlib pytest pytest-cov coveralls pip openmdao jsonschema ruamel_yaml pyyaml make xlrd cython pandas numpydoc six setuptools git numpy scipy geopy testflo
+  - pip install simpy marmot-agents
+
+  # Install WEIS
+  - pip install -e .;
+
 script:
   - testflo weis