Move install run into common_utils

common_utils.sh

@@ -96,3 +96,10 @@ function install_wheel {
     pip install $(pip_opts) $@ \
         $(python $MULTIBUILD_DIR/supported_wheels.py $wheelhouse/*.whl)
 }
+
+function install_run {
+    # Depends on function `run_tests` defined in `config.sh`
+    install_wheel
+    mkdir tmp_for_test
+    (cd tmp_for_test && run_tests)
+}

docker_test_wrap.sh

@@ -14,5 +14,4 @@ cd /io
 # It must define `run_tests`.
 source config.sh
 
-install_wheel
-run_tests
+install_run

travis_osx_steps.sh

@@ -18,13 +18,7 @@ function before_install {
 }
 
 # build_wheel function defined in common_utils (via osx_utils)
-
-function install_run {
-    # Depends on function `run_tests` defined in `config.sh`
-    install_wheel
-    mkdir tmp_for_test
-    (cd tmp_for_test && run_tests)
-}
+# install_run function defined in common_utils
 
 # Local configuration may define custom pre-build, source patching.
 # It can also overwrite the functions above.