diff --git a/.travis.yml b/.travis.yml
index a5a850faf62..dd56ebc1d95 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -64,9 +64,17 @@ matrix:
     - language: python
       python: "3.5"
       env: TOXENV=py35
-      script: &1
+      install: &0
         # Additional dependencies
-        - pip3 install coverage coveralls jsonschema==3.0.1 
+        - pip3 install coverage coveralls jsonschema==3.0.1
+        # Sample test infra dependencies
+        - pip3 install minio
+        - pip3 install junit_xml
+        # Visualization test dependencies
+        - cd $TRAVIS_BUILD_DIR/backend/src/apiserver/visualization
+        - pip3 install -r requirements-test.txt
+      script: &1
+
         # DSL tests
         - cd $TRAVIS_BUILD_DIR/sdk/python
         - python3 setup.py develop
@@ -78,8 +86,6 @@ matrix:
 
         # Visualization test
         - cd $TRAVIS_BUILD_DIR/backend/src/apiserver/visualization
-        # Visualization test dependencies
-        - pip3 install -r requirements-test.txt
         - python3 test_exporter.py
         - python3 test_server.py
 
@@ -89,13 +95,19 @@ matrix:
         # Component SDK tests
         - cd $TRAVIS_BUILD_DIR/components/gcp/container/component_sdk/python
         - ./run_test.sh
+
+        # Sample test unittests.
+        - cd $TRAVIS_BUILD_DIR/test/sample-test/unittests
+        - python3 -m unittest utils_tests.py
     - language: python
       python: "3.6"
       env: TOXENV=py36
+      install: *0
       script: *1
     - language: python
       python: "3.7"
       env: TOXENV=py37
+      install: *0
       script: *1
     - name: "Lint Python code with flake8"
       language: python
diff --git a/test/sample-test/testdata/test_file_injection_input.yaml b/test/sample-test/unittests/testdata/test_file_injection_input.yaml
similarity index 100%
rename from test/sample-test/testdata/test_file_injection_input.yaml
rename to test/sample-test/unittests/testdata/test_file_injection_input.yaml
diff --git a/test/sample-test/testdata/test_file_injection_output.yaml b/test/sample-test/unittests/testdata/test_file_injection_output.yaml
similarity index 100%
rename from test/sample-test/testdata/test_file_injection_output.yaml
rename to test/sample-test/unittests/testdata/test_file_injection_output.yaml
diff --git a/test/sample-test/utils_tests.py b/test/sample-test/unittests/utils_tests.py
similarity index 89%
rename from test/sample-test/utils_tests.py
rename to test/sample-test/unittests/utils_tests.py
index 30c73a1d1ea..8de1f218a56 100644
--- a/test/sample-test/utils_tests.py
+++ b/test/sample-test/unittests/utils_tests.py
@@ -14,13 +14,23 @@
 
 import os
 import shutil
+import sys
 import unittest
-import utils
 import yaml
 
+
+# Need to adjust sys path to find utils.py
+_PACKAGE_PARENT = '..'
+_SCRIPT_DIR = os.path.dirname(os.path.realpath(os.path.join(os.getcwd(), os.path.expanduser(__file__))))
+sys.path.append(os.path.normpath(os.path.join(_SCRIPT_DIR, _PACKAGE_PARENT)))
+
+import utils
+
+
 _DATAPATH = 'testdata/'
 _WORK_DIR = 'workdir/'
 
+
 class TestUtils(unittest.TestCase):
   """Unit tests for utility functions defined in test/sample-test/utils.py"""
   def setUp(self) -> None: