diff --git a/build.yaml b/build.yaml
index 0500f5b7f..744ae947a 100644
--- a/build.yaml
+++ b/build.yaml
@@ -21,13 +21,13 @@ machamp:
         parent: make-build
         # https://github.sc-corp.net/Snapchat/img/tree/master/keydb/ubuntu-20-04
         builder_image: us.gcr.io/snapchat-build-artifacts/prod/snapchat/img/keydb/keydb-ubuntu-20-04@sha256:cf869a3f5d1de1e1d976bb906689c37b7031938eb68661b844a38c532f27248c
-        command: ./runtest --clients $(nproc) --verbose --tls
+        command: ./runtest --clients 4 --verbose 
       cluster-test:
         type: cmd
         parent: make-build
         # https://github.sc-corp.net/Snapchat/img/tree/master/keydb/ubuntu-20-04
         builder_image: us.gcr.io/snapchat-build-artifacts/prod/snapchat/img/keydb/keydb-ubuntu-20-04@sha256:cf869a3f5d1de1e1d976bb906689c37b7031938eb68661b844a38c532f27248c
-        command: ./runtest-cluster --tls
+        command: ./runtest-cluster 
       sentinel-test:
         type: cmd
         parent: make-build
diff --git a/ci.yaml b/ci.yaml
index 5614be8e6..89c048d1c 100644
--- a/ci.yaml
+++ b/ci.yaml
@@ -9,7 +9,7 @@ on:
         build_name: keydb-build
         arch_types: ["amd64", "arm64"]
   push:
-    - branches: [master]
+    - branches: [keydbpro]
       workflows:
         - workflow_type: backend_workflow
           build_name: keydb-build
diff --git a/tests/unit/memefficiency.tcl b/tests/unit/memefficiency.tcl
index db18e7128..a30129e4c 100644
--- a/tests/unit/memefficiency.tcl
+++ b/tests/unit/memefficiency.tcl
@@ -49,10 +49,13 @@ start_server {tags {"defrag"} overrides {appendonly yes auto-aof-rewrite-percent
             r config set maxmemory 100mb
             r config set maxmemory-policy allkeys-lru
 
-            populate 700000 asdf1 150
-            populate 170000 asdf2 300
-            after 120 ;# serverCron only updates the info once in 100ms
-            set frag [s allocator_frag_ratio]
+	    for {set i 0} {$i < 10} {incr i} {
+                populate 700000 asdf1 150
+                populate 170000 asdf2 300
+                after 120 ;# serverCron only updates the info once in 100ms
+                set frag [s allocator_frag_ratio]
+		if {$frag >= 1.4} {break}
+	    }
             if {$::verbose} {
                 puts "frag $frag"
             }
@@ -507,11 +510,14 @@ start_server {tags {"defrag"} overrides {server-threads 1 active-replica yes} }
             r config set active-defrag-ignore-bytes 2mb
             r config set maxmemory 100mb
             r config set maxmemory-policy allkeys-lru
-            populate 700000 asdf1 150
-            populate 170000 asdf2 300
-            r ping ;# trigger eviction following the previous population
-            after 120 ;# serverCron only updates the info once in 100ms
-            set frag [s allocator_frag_ratio]
+            for {set i 0} {$i < 10} {incr i} {
+	        populate 700000 asdf1 150
+                populate 170000 asdf2 300
+                r ping ;# trigger eviction following the previous population
+                after 120 ;# serverCron only updates the info once in 100ms
+                set frag [s allocator_frag_ratio]
+                if {$frag >= 1.4} {break}
+            }
             if {$::verbose} {
                 puts "frag $frag"
             }
diff --git a/tests/unit/soft_shutdown.tcl b/tests/unit/soft_shutdown.tcl
index 893a988f4..48328d72f 100644
--- a/tests/unit/soft_shutdown.tcl
+++ b/tests/unit/soft_shutdown.tcl
@@ -43,12 +43,14 @@ start_server {tags {"soft_shutdown"} } {
 start_server {tags {"soft_shutdown"} overrides {soft-shutdown yes} } {
     test {soft shutdown triggered by SIGINT} {
         exec kill -SIGINT [s process_id]
+        after 100
         catch {[r ping]} e
         assert_match {SHUTDOWN PENDING} $e
     }
 
     test {second SIGINT forces a shutdown during a soft shutdown} {
         exec kill -SIGINT [s process_id]
+        after 100
         catch {[r ping]} e
         assert_match {*I/O*} $e
     }