CoroutinesTimeout for JUnit5 (#2402)

diff --git a/gradle.properties b/gradle.properties
index 97c6af9..15935ab 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -9,6 +9,7 @@
 
 # Dependencies
 junit_version=4.12
+junit5_version=5.7.0
 atomicfu_version=0.15.2
 knit_version=0.2.3
 html_version=0.7.2