diff --git a/.ci/micromamba/init.sh b/.ci/micromamba/init.sh
index 50c6d950..2c280ab5 100644
--- a/.ci/micromamba/init.sh
+++ b/.ci/micromamba/init.sh
@@ -69,9 +69,13 @@ if [[ "$VERBOSE" -ge 2 ]]; then
     micromamba info
 fi
 
+# Clean up previous environment
+info "Cleaning up previous environment [$ENV_NAME]..."
+chmod -R +w $THIS_DIR/micromamba/envs/dev
+rm -rf $THIS_DIR/micromamba/envs/dev
+micromamba deactivate
 # Create environment
 info "Creating environment [$ENV_NAME]..."
-micromamba deactivate
 micromamba create --file $THIS_DIR/$ENV_NAME.yaml --name $ENV_NAME --yes $MAMBA_VERBOSITY
 # micromamba config set env_prompt "[{name}] "
 micromamba activate $ENV_NAME
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 17db874a..46a32d7b 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -49,4 +49,15 @@ test/test.sh                   | Functional and unit test runner
 Submitting a patch and testing
 -------
 
-Before submitting any changes please make sure all tests and checks are passed, pylint doesn't show warnings on new code, and fill out the Pull Request template. If you are a new contributor, and the template is confusing, feel free to submit the PR and we will help you iron it out! On how to run or add a new test, please see [test/README.md](test/README.md).
+Before submitting any changes please make sure all tests and checks are passed.
+
+You must run the following tests locally:
+* `pylint .`
+* `bazel test //...`
+* `pytest test`
+
+
+On how to run or add a new test, please see [test/README.md](test/README.md).
+
+
+Finally, fill out the Pull Request template. If you are a new contributor, and the template is confusing, feel free to submit the PR and we will help you iron it out!
diff --git a/run_tests.sh b/run_tests.sh
new file mode 100755
index 00000000..2a1170ea
--- /dev/null
+++ b/run_tests.sh
@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+echo "Initialize micromamba environment..."
+source ./.ci/micromamba/init.sh
+
+echo "Running pylint..."
+pylint .
+echo "Running bazel test //..."
+bazel test //...
+echo "Running pytest ..."
+pytest test
+
+echo "Exiting micromamba..."
+micromamba deactivate