restore test version

Author: tonyofrancis

versions.gradle

@@ -5,9 +5,9 @@ ext {
     android_support_version = '28.0.0'
     constraint_layout_version = "1.1.3"
     room_version = '1.1.1'
-    junit_version = '4.13.1'
-    espresso_version = '3.0.2'
-    test_runner_version = '1.0.2'
+    junit_version = '4.12'
+    espresso_version = '3.0.1'
+    test_runner_version = '1.0.1'
     library_min_version = '14'
     library_compile_version = 30
     library_target_version = 30