diff --git a/backend/caasp4os/defaults.sh b/backend/caasp4os/defaults.sh
index eff12cdf..0cc3cacf 100644
--- a/backend/caasp4os/defaults.sh
+++ b/backend/caasp4os/defaults.sh
@@ -3,4 +3,8 @@
 # Caasp4os options
 ##################
 
+# Override default GARDEN_ROOTFS_DRIVER for all backends default
+if [ "$BACKEND" == "caasp4os" ]; then
+    GARDEN_ROOTFS_DRIVER="${GARDEN_ROOTFS_DRIVER:-btrfs}"
+fi
 CAASP_VER=${CAASP_VER:-"update"} # devel, staging, update, product
diff --git a/modules/scf/defaults.sh b/modules/scf/defaults.sh
index 859e6a52..b894aa47 100644
--- a/modules/scf/defaults.sh
+++ b/modules/scf/defaults.sh
@@ -12,7 +12,6 @@ SCF_OPERATOR="${SCF_OPERATOR:-false}"
 OPERATOR_CHART_URL="${OPERATOR_CHART_URL:-latest}"
 
 GARDEN_ROOTFS_DRIVER="${GARDEN_ROOTFS_DRIVER:-overlay-xfs}"
-DIEGO_SIZING="${DIEGO_SIZING:-$SIZING}"
 STORAGECLASS="${STORAGECLASS:-persistent}"
 AUTOSCALER="${AUTOSCALER:-false}"
 
@@ -25,6 +24,8 @@ else
     SIZING="${SIZING:-1}"
 fi
 
+DIEGO_SIZING="${DIEGO_SIZING:-$SIZING}"
+
 UAA_UPGRADE="${UAA_UPGRADE:-true}"
 
 OVERRIDE="${OVERRIDE:-}"
@@ -32,4 +33,9 @@ CONFIG_OVERRIDE="${CONFIG_OVERRIDE:-$OVERRIDE}"
 
 SCF_LOCAL="${SCF_LOCAL:-}"
 
-SCF_TESTGROUP="${SCF_TESTGROUP:-false}"
\ No newline at end of file
+SCF_TESTGROUP="${SCF_TESTGROUP:-false}"
+
+## Testing
+BRATS_BUILDPACK="${BRATS_BUILDPACK:-}"
+BRATS_BUILDPACK_URL="${BRATS_BUILDPACK_URL:-}"
+BRATS_BUILDPACK_VERSION="${BRATS_BUILDPACK_URL:-}"
\ No newline at end of file
diff --git a/modules/scf/gen_config.sh b/modules/scf/gen_config.sh
index 48a57528..9bcc6fb1 100755
--- a/modules/scf/gen_config.sh
+++ b/modules/scf/gen_config.sh
@@ -1,11 +1,10 @@
 #!/bin/bash
 
-. ./defaults.sh
 . ../../include/common.sh
+. ./defaults.sh # Read build defaults
 . .envrc
 
 
-info "Generating SCF config values"
 if [ "${DEFAULT_STACK}" = "from_chart" ]; then
     export DEFAULT_STACK=$(helm inspect helm/cf/ | grep DEFAULT_STACK | sed  's~DEFAULT_STACK:~~g' | sed 's~"~~g' | sed 's~\s~~g')
 fi
@@ -18,6 +17,15 @@ for (( i=0; i < ${#aux_external_ips[@]}; i++ )); do
 external_ips+=", \"${aux_external_ips[$i]}\""
 done
 
+info "Generating SCF config values"
+info "\t  GARDEN_ROOTFS_DRIVER: $GARDEN_ROOTFS_DRIVER"
+info "\t  DOMAIN: $domain"
+info "\t  DEFAULT_STACK: $DEFAULT_STACK"
+info "\t  ENABLE_EIRINI: $ENABLE_EIRINI"
+info "\t  AUTOSCALER: $AUTOSCALER"
+info "\t  HA: $HA"
+info "\t  SIZING: $SIZING"
+
 VALUES=
 if [ "$ENABLE_EIRINI" = true ] ; then
   AUTH="rbac"
diff --git a/tests/unit_tests.sh b/tests/unit_tests.sh
index 11bf5158..e6d79ab1 100755
--- a/tests/unit_tests.sh
+++ b/tests/unit_tests.sh
@@ -52,6 +52,25 @@ testConfig() {
   AUTOSCALER=true make scf-gen-config
   VALUES_FILE="$(cat $ROOT_DIR/buildtest/scf-config-values.yaml)"
   assertContains 'generates correctly AUTOSCALER' "$VALUES_FILE" "autoscaler: true"
+
+  make clean
+
+  export BACKEND=kind
+  export GARDEN_ROOTFS_DRIVER=test
+  make buildir scf-gen-config
+
+  VALUES_FILE="$(cat $ROOT_DIR/buildtest/scf-config-values.yaml)"
+    assertContains 'generates correctly GARDEN_ROOTFS_DRIVER ' "$VALUES_FILE" "GARDEN_ROOTFS_DRIVER: \"test\""
+
+
+  make clean
+
+  unset GARDEN_ROOTFS_DRIVER
+  export BACKEND=caasp4os
+  make buildir scf-gen-config
+  VALUES_FILE="$(cat $ROOT_DIR/buildtest/scf-config-values.yaml)"
+  assertContains 'generates correctly GARDEN_ROOTFS_DRIVER for caasp' "$VALUES_FILE" "GARDEN_ROOTFS_DRIVER: \"btrfs\""
+
 }
 
 # Tests backend switch