Make all test entries consistent

Author: rlazo

subprojects.cfg

@@ -12,7 +12,7 @@ firebase-annotations # sdk
 firebase-appdistribution # sdk
 firebase-appdistribution-api # sdk
 firebase-common # sdk
-firebase-common:data-collection-tests # tests
+firebase-common:data-collection-tests # test
 firebase-components # sdk
 firebase-components:firebase-dynamic-module-support # sdk
 firebase-config # sdk