add testmints

Author: robertfmurdock

README.md

@@ -1128,6 +1128,15 @@
 ![badge][badge-windows]
 ![badge][badge-linux]
 
+* [testmints](https://github.com/robertfmurdock/testmints) - Lightweight test semantic-sugar, to improve readability.  
+  ![badge][badge-jvm]
+  ![badge][badge-js]
+  ![badge][badge-android]
+  ![badge][badge-ios]
+  ![badge][badge-mac]
+  ![badge][badge-windows]
+  ![badge][badge-linux]
+
 ### Annotation Processor
 
 * [MpApt](https://github.com/Foso/MpApt) - Kotlin Native/JS/JVM Annotation Processor library