Add some details for test local running (nytimes#17)

* add some details for test local running * Update README.md
Montana · Jul 26, 2019 · c22c78b · c22c78b
1 parent 8337fc3
commit c22c78b
Showing 1 changed file with 10 additions and 0 deletions.
diff --git a/README.md b/README.md
@@ -38,6 +38,16 @@ passed:  tests.yaml | root | /
 0 skipped
 ```
 
+Tip: If your test cases have conditions on environment variables (see `conditions` in [full example](#full-test-example)), remember to include `-e "<ENV_VAR>=<value>"`. e.g.
+
+```
+docker run --rm \
+    -v $(pwd)/tests.yaml:/tests/tests.yaml \
+    -e "TEST_HOST=stg.example.com" \
+    -e "TEST_ENV=stg" \
+    nytimes/httptest
+```
+
 By default, the program parses all files in `$(pwd)/tests` recursively.
 This can be changed using an environment variable.