Running only sum for CI quick test (#370)

[ROCm/rccl commit: 42b080867e]

projects/rccl/.jenkins/precheckin.groovy

@@ -35,7 +35,7 @@ def runCI =
     {
         platform, project->
 
-        commonGroovy.runTestCommand(platform, project, "BroadcastCorrectnessSweep*:*float32*")
+        commonGroovy.runTestCommand(platform, project, "*sum_float32*")
     }
 
     def packageCommand =