diff --git a/deps.edn b/deps.edn
index f7c00f52..b0e78752 100644
--- a/deps.edn
+++ b/deps.edn
@@ -40,7 +40,7 @@
                          borkdude/spartan.spec {:git/url "https://github.com/borkdude/spartan.spec"
                                        :sha "16f7eec4b6589c77c96c9fcf989f78fffcee7c4c"}
                          lambdaisland/regal {:git/url "https://github.com/lambdaisland/regal"
-                                :sha "b059fdb06d5586a9a04c27e7b011c467ad8546db"}
+                                             :sha "f902d2c43121f9e1c48603d6eb99f5900eb6a9f6"}
                          weavejester/medley {:git/url "https://github.com/weavejester/medley"
                                              :sha "a4e5fb5383f5c0d83cb2d005181a35b76d8a136d"}
                          babashka/babasha.curl {:local/root "babashka.curl"}
diff --git a/test-resources/lib_tests/babashka/curl_test.clj b/test-resources/lib_tests/babashka/curl_test.clj
new file mode 100644
index 00000000..856644c4
--- /dev/null
+++ b/test-resources/lib_tests/babashka/curl_test.clj
@@ -0,0 +1,25 @@
+(ns babashka.curl-test
+  (:require [babashka.curl :as curl]
+            [cheshire.core :as json]
+            [clojure.test :as t :refer [deftest]]))
+
+(deftest curl-test
+  (require '[babashka.curl :as curl] :reload-all)
+
+  (prn (:status (curl/get "https://www.clojure.org")))
+
+  (prn (:status (curl/get "https://postman-echo.com/get?foo1=bar1&foo2=bar2")))
+
+  (prn (:status (curl/post "https://postman-echo.com/post")))
+
+  (prn (:status (curl/post "https://postman-echo.com/post"
+                           {:body (json/generate-string {:a 1})
+                            :headers {"X-Hasura-Role" "admin"}
+                            :content-type :json
+                            :accept :json})))
+
+  (prn (:status (curl/put "https://postman-echo.com/put"
+                          {:body (json/generate-string {:a 1})
+                           :headers {"X-Hasura-Role" "admin"}
+                           :content-type :json
+                           :accept :json}))))
diff --git a/test-resources/lib_tests/babashka/lambdaisland/regal_test.clj b/test-resources/lib_tests/babashka/lambdaisland/regal_test.clj
new file mode 100644
index 00000000..7f2fcf60
--- /dev/null
+++ b/test-resources/lib_tests/babashka/lambdaisland/regal_test.clj
@@ -0,0 +1,15 @@
+(ns babashka.lambdaisland.regal-test
+  (:require [clojure.test :as t :refer [deftest is]]))
+
+(prn :requiring :lambdaisland)
+(require '[lambdaisland.regal :as regal])
+(prn ::done :requiring :lambdaisland)
+
+(def r [:cat
+        [:+ [:class [\a \z]]]
+        "="
+        [:+ [:not \=]]])
+
+(deftest regal-test
+  (is (= "[a-z]+=[^=]+" (str (regal/regex r))))
+  (is (= "foo=bar" (re-matches (regal/regex r) "foo=bar"))))
diff --git a/test-resources/lib_tests/babashka/run_all_libtests.clj b/test-resources/lib_tests/babashka/run_all_libtests.clj
index 44860a69..1a544d56 100644
--- a/test-resources/lib_tests/babashka/run_all_libtests.clj
+++ b/test-resources/lib_tests/babashka/run_all_libtests.clj
@@ -8,57 +8,26 @@
 
 (defn test-namespaces [& namespaces]
   (let [namespaces (if (seq ns-args)
-                     (keep ns-args namespaces)
+                     (seq (keep ns-args namespaces))
                      namespaces)]
-    (prn namespaces)
-    (doseq [ns namespaces]
-      (require ns))
-    (let [m (apply t/run-tests namespaces)]
-      (swap! status (fn [status]
-                      (merge-with + status (dissoc m :type)))))))
+    (when namespaces
+      (doseq [ns namespaces]
+        (require ns))
+      (let [m (apply t/run-tests namespaces)]
+        (swap! status (fn [status]
+                        (merge-with + status (dissoc m :type))))))))
 
 ;;;; clj-http-lite
 
-(require '[clj-http.lite.client :as client])
-(require '[cheshire.core :as json])
-
-(prn (:status (client/get "https://www.clojure.org" {:throw-exceptions false})))
-
-(prn (:status (client/get "https://postman-echo.com/get?foo1=bar1&foo2=bar2" {:throw-exceptions false})))
-
-(prn (:status (client/post "https://postman-echo.com/post" {:throw-exceptions false})))
-
-(prn (:status (client/post "https://postman-echo.com/post"
-                           {:body (json/generate-string {:a 1})
-                            :headers {"X-Hasura-Role" "admin"}
-                            :content-type :json
-                            :accept :json
-                            :throw-exceptions false})))
-
-(prn (:status (client/put "https://postman-echo.com/put"
-                          {:body (json/generate-string {:a 1})
-                           :headers {"X-Hasura-Role" "admin"}
-                           :content-type :json
-                           :accept :json
-                           :throw-exceptions false})))
+(test-namespaces 'clj-http.lite.client-test)
 
 ;;;; spartan.spec
 
-(time (require '[spartan.spec :as s]))
-(require '[spartan.spec :as s])
-(time (s/explain (s/cat :i int? :s string?) [1 :foo]))
-(time (s/conform (s/cat :i int? :s string?) [1 "foo"]))
+(test-namespaces 'spartan.spec-test)
 
 ;;;; regal
 
-(require '[lambdaisland.regal :as regal])
-(def r [:cat
-        [:+ [:class [\a \z]]]
-        "="
-        [:+ [:not \=]]])
-
-(prn (regal/regex r))
-(prn (re-matches (regal/regex r) "foo=bar"))
+(test-namespaces 'babashka.lambdaisland.regal-test)
 
 ;;;; medley
 
@@ -68,35 +37,20 @@
 
 ;;;; babashka.curl
 
-(require '[babashka.curl :as curl] :reload-all)
-
-(prn (:status (curl/get "https://www.clojure.org")))
-
-(prn (:status (curl/get "https://postman-echo.com/get?foo1=bar1&foo2=bar2")))
-
-(prn (:status (curl/post "https://postman-echo.com/post")))
-
-(prn (:status (curl/post "https://postman-echo.com/post"
-                         {:body (json/generate-string {:a 1})
-                          :headers {"X-Hasura-Role" "admin"}
-                          :content-type :json
-                          :accept :json})))
-
-(prn (:status (curl/put "https://postman-echo.com/put"
-                        {:body (json/generate-string {:a 1})
-                         :headers {"X-Hasura-Role" "admin"}
-                         :content-type :json
-                         :accept :json})))
-
+(test-namespaces 'babashka.curl-test)
 
 ;;;; cprop
 
+;; TODO: port to test-namespaces
+
 (require '[cprop.core])
 (require '[cprop.source :refer [from-env]])
 (println (:cprop-env (from-env)))
 
 ;;;; comb
 
+;; TODO: port to test-namespaces
+
 (require '[comb.template :as template])
 (prn (template/eval "<% (dotimes [x 3] %>foo<% ) %>"))
 (prn (template/eval "Hello <%= name %>" {:name "Alice"}))
@@ -106,6 +60,8 @@
 
 ;;;; arrangement
 
+;; TODO: port to test-namespaces
+
 (require '[arrangement.core :as order])
 (prn (sort order/rank ['a false 2 :b nil 3.14159
                        "c" true \d [3 2] #{:one :two}
@@ -117,12 +73,16 @@
 
 ;;;; clojure-csv
 
+;; TODO: port to test-namespaces
+
 (require '[clojure-csv.core :as csv])
 ;; TODO: convert to test
 (prn (csv/write-csv (csv/parse-csv "a,b,c\n1,2,3")))
 
 ;;;; clojure.data.zip
 
+;; TODO: port to test-namespaces
+
 (require '[clojure.data.xml :as xml])
 (require '[clojure.zip :as zip])
 (require '[clojure.data.zip.xml :refer [attr attr= xml1->]])
@@ -148,6 +108,9 @@
 
 ;;;; deps.clj
 
+;; TODO: port to test-namespaces
+
+(require '[babashka.curl :as curl])
 (spit "deps_test.clj"
       (:body (curl/get "https://raw.githubusercontent.com/borkdude/deps.clj/master/deps.clj")))
 
diff --git a/test-resources/lib_tests/clj_http/lite/client_test.clj b/test-resources/lib_tests/clj_http/lite/client_test.clj
new file mode 100644
index 00000000..d61114c6
--- /dev/null
+++ b/test-resources/lib_tests/clj_http/lite/client_test.clj
@@ -0,0 +1,25 @@
+(ns clj-http.lite.client-test
+  (:require [cheshire.core :as json]
+            [clj-http.lite.client :as client]
+            [clojure.test :as t :refer [deftest]]))
+
+(deftest client-test
+  (prn (:status (client/get "https://www.clojure.org" {:throw-exceptions false})))
+
+  (prn (:status (client/get "https://postman-echo.com/get?foo1=bar1&foo2=bar2" {:throw-exceptions false})))
+
+  (prn (:status (client/post "https://postman-echo.com/post" {:throw-exceptions false})))
+
+  (prn (:status (client/post "https://postman-echo.com/post"
+                             {:body (json/generate-string {:a 1})
+                              :headers {"X-Hasura-Role" "admin"}
+                              :content-type :json
+                              :accept :json
+                              :throw-exceptions false})))
+
+  (prn (:status (client/put "https://postman-echo.com/put"
+                            {:body (json/generate-string {:a 1})
+                             :headers {"X-Hasura-Role" "admin"}
+                             :content-type :json
+                             :accept :json
+                             :throw-exceptions false}))))
diff --git a/test-resources/lib_tests/spartan/spec_test.clj b/test-resources/lib_tests/spartan/spec_test.clj
new file mode 100644
index 00000000..e08e02b1
--- /dev/null
+++ b/test-resources/lib_tests/spartan/spec_test.clj
@@ -0,0 +1,10 @@
+(ns spartan.spec-test
+  (:require [clojure.test :as t :refer [deftest is]]))
+
+(time (require '[spartan.spec :as s]))
+(require '[spartan.spec :as s])
+
+(deftest spec-test
+  (time (s/explain (s/cat :i int? :s string?) [1 :foo]))
+  (is (time (s/conform (s/cat :i int? :s string?) [1 "foo"]))))
+