diff --git a/packages/cactus-test-tooling/src/main/typescript/github-actions/is-running-in-github-action.ts b/packages/cactus-test-tooling/src/main/typescript/github-actions/is-running-in-github-action.ts
new file mode 100644
index 0000000000..2f19c01c09
--- /dev/null
+++ b/packages/cactus-test-tooling/src/main/typescript/github-actions/is-running-in-github-action.ts
@@ -0,0 +1,27 @@
+import { Checks } from "@hyperledger/cactus-common";
+
+/**
+ * Utility/helper function that examines if the current code is running on Github Actions
+ * or not.
+ *
+ * Important note: Do not use this in production code it is meant to be used for tests
+ * only. Do not depend on this function in your code outside of the test cases.
+ *
+ * Uses the environment variable `GITHUB_ACTIONS` to determine its output which is always
+ * set to `"true"` when GitHub Actions is running the workflow.
+ * You can use this variable to differentiate when tests are being run locally or by GitHub Actions.
+ *
+ * @see https://docs.github.com/en/actions/reference/environment-variables
+ *
+ * @param env The process environment variables object to look into when attempting to
+ * determine if the current execution environment appears to be a GitHub Action VM or
+ * not.
+ * @returns
+ */
+export function isRunningInGithubAction(
+  env: NodeJS.ProcessEnv = process.env,
+): boolean {
+  Checks.truthy(env, "isRunningInGithubAction():env");
+
+  return env.GITHUB_ACTIONS === "true";
+}
diff --git a/packages/cactus-test-tooling/src/main/typescript/github-actions/prune-docker-all-if-github-action.ts b/packages/cactus-test-tooling/src/main/typescript/github-actions/prune-docker-all-if-github-action.ts
new file mode 100644
index 0000000000..11ac18a7d1
--- /dev/null
+++ b/packages/cactus-test-tooling/src/main/typescript/github-actions/prune-docker-all-if-github-action.ts
@@ -0,0 +1,27 @@
+import { Optional } from "typescript-optional";
+import {
+  Containers,
+  IPruneDockerResourcesRequest,
+  IPruneDockerResourcesResponse,
+} from "../common/containers";
+import { isRunningInGithubAction } from "./is-running-in-github-action";
+
+/**
+ * Github Actions started to run out of disk space recently (as of March, 2021) so we have this
+ * hack here to attempt to free up disk space when running inside a VM of the CI system.
+ * The idea is that tests can call this function before and after their execution so that
+ * their container images/volumes get freed up.
+ */
+export async function pruneDockerAllIfGithubAction(
+  req?: IPruneDockerResourcesRequest,
+): Promise<Optional<IPruneDockerResourcesResponse>> {
+  if (!isRunningInGithubAction()) {
+    return Optional.empty();
+  }
+  console.log(
+    "Detected current process to be running " +
+      "inside a Github Action. Pruning all docker resources...",
+  );
+  const res = await Containers.pruneDockerResources(req);
+  return Optional.of(res);
+}
diff --git a/packages/cactus-test-tooling/src/main/typescript/public-api.ts b/packages/cactus-test-tooling/src/main/typescript/public-api.ts
index baeb8bf1a8..75b77ee5a2 100755
--- a/packages/cactus-test-tooling/src/main/typescript/public-api.ts
+++ b/packages/cactus-test-tooling/src/main/typescript/public-api.ts
@@ -73,3 +73,6 @@ export {
 } from "./corda/sample-cordapp-enum";
 
 export { Streams } from "./common/streams";
+
+export { isRunningInGithubAction } from "./github-actions/is-running-in-github-action";
+export { pruneDockerAllIfGithubAction } from "./github-actions/prune-docker-all-if-github-action";