diff --git a/test/docker-run-test.sh b/test/docker-run-test.sh
index e5b3ce9..439712a 100755
--- a/test/docker-run-test.sh
+++ b/test/docker-run-test.sh
@@ -2,6 +2,8 @@
 
 FALLBACK_STYLE="llvm"
 EXCLUDE_REGEX="capital"
+CLANG_FORMAT_VERSION="13"
+GITHUB_WORKSPACE="/test"
 
 # build the docker container
 docker build . --file Dockerfile --tag clang-format-action-test --no-cache
@@ -12,7 +14,7 @@ if [[ "$docker_status" != "0" ]]; then
 fi
 
 # should succeed
-docker run -e CLANG_FORMAT_VERSION=13 -e GITHUB_WORKSPACE=/test -v "$(pwd)"/test:/test --privileged clang-format-action-test known_pass $FALLBACK_STYLE $EXCLUDE_REGEX
+docker run -e CLANG_FORMAT_VERSION=$CLANG_FORMAT_VERSION -e GITHUB_WORKSPACE=$GITHUB_WORKSPACE -v "$(pwd)"/test:/test --privileged clang-format-action-test known_pass $FALLBACK_STYLE $EXCLUDE_REGEX
 docker_status="$?"
 if [[ "$docker_status" != "0" ]]; then
 	echo "files that should succeed have failed!"
@@ -20,7 +22,7 @@ if [[ "$docker_status" != "0" ]]; then
 fi
 
 # should fail
-docker run -e CLANG_FORMAT_VERSION=13 -e GITHUB_WORKSPACE=/test -v "$(pwd)"/test:/test --privileged clang-format-action-test known_fail $FALLBACK_STYLE $EXCLUDE_REGEX
+docker run -e CLANG_FORMAT_VERSION=$CLANG_FORMAT_VERSION -e GITHUB_WORKSPACE=$GITHUB_WORKSPACE -v "$(pwd)"/test:/test --privileged clang-format-action-test known_fail $FALLBACK_STYLE $EXCLUDE_REGEX
 docker_status="$?"
 if [[ "$docker_status" == "0" ]]; then
 	echo "files that should fail have succeeded!"