diff --git a/amps/ags/rm-automation/rm-automation-community-rest-api/src/main/java/org/alfresco/rest/core/v0/BaseAPI.java b/amps/ags/rm-automation/rm-automation-community-rest-api/src/main/java/org/alfresco/rest/core/v0/BaseAPI.java
index 117613e04e..d45a8748fb 100644
--- a/amps/ags/rm-automation/rm-automation-community-rest-api/src/main/java/org/alfresco/rest/core/v0/BaseAPI.java
+++ b/amps/ags/rm-automation/rm-automation-community-rest-api/src/main/java/org/alfresco/rest/core/v0/BaseAPI.java
@@ -512,7 +512,12 @@ public abstract class BaseAPI
         try
         {
             HttpResponse httpResponse = doRequestJson(HttpPost.class, requestUrl, adminUser, adminPassword, requestParams);
-            assertEquals("POST request to " + requestUrl + " was not successful.", expectedStatusCode, httpResponse.getStatusLine().getStatusCode());
+            if (httpResponse.getStatusLine().getStatusCode() != expectedStatusCode)
+            {
+                // It's only possible to stream the response body once, so ensure we only do this if the test has failed.
+                JSONObject responseJson = responseBodyToJson(httpResponse);
+                assertEquals("POST request to " + requestUrl + " was not successful. Response: " + responseJson, expectedStatusCode, httpResponse.getStatusLine().getStatusCode());
+            }
             return httpResponse;
         }
         catch (InstantiationException | IllegalAccessException error)
@@ -521,6 +526,32 @@ public abstract class BaseAPI
         }
     }
 
+    /**
+     * Try to convert the response body to a JSON object.
+     *
+     * @param response The response.
+     * @return The JSON object or null if it was not possible to convert the response.
+     */
+    private JSONObject responseBodyToJson(HttpResponse response)
+    {
+        try
+        {
+            try
+            {
+                return new JSONObject(EntityUtils.toString(response.getEntity()));
+            }
+            catch (JSONException error)
+            {
+                LOGGER.error("Converting message body to JSON failed. Body: {}", response.getEntity().getContent(), error);
+            }
+        }
+        catch (ParseException | IOException error)
+        {
+            LOGGER.error("Parsing message body failed.", error);
+        }
+        return null;
+    }
+
     /**
      * Helper method for handling generic HTTP requests
      * @param requestType request type (a subclass of {@link HttpRequestBase})
@@ -558,18 +589,7 @@ public abstract class BaseAPI
             HttpResponse response = client.execute(adminUser, adminPassword, request);
             LOGGER.info("Response: {}", response.getStatusLine());
 
-            try
-            {
-                responseBody = new JSONObject(EntityUtils.toString(response.getEntity()));
-            }
-            catch (JSONException error)
-            {
-                LOGGER.error("Converting message body to JSON failed. Body: {}", responseBody, error);
-            }
-            catch (ParseException | IOException error)
-            {
-                LOGGER.error("Parsing message body failed.", error);
-            }
+            responseBody = responseBodyToJson(response);
 
             switch (response.getStatusLine().getStatusCode())
             {