diff --git a/test/bin/manage_build_cache.sh b/test/bin/manage_build_cache.sh
index eeb88378ac..fe377a0401 100755
--- a/test/bin/manage_build_cache.sh
+++ b/test/bin/manage_build_cache.sh
@@ -8,6 +8,7 @@ SCRIPTDIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 source "${SCRIPTDIR}/common.sh"
 
 AWS_BUCKET_NAME="${AWS_BUCKET_NAME:-microshift-build-cache}"
+AWS_BUCKET_NAME="microshift-build-pr5850-cache-us-west-2"
 BCH_SUBDIR=
 TAG_SUBDIR=
 
diff --git a/test/image-blueprints-bootc/layer1-base/group4/rhel96-bootc-brew-ec-with-optional-tuned.containerfile b/test/image-blueprints-bootc/layer1-base/group4/rhel96-bootc-brew-ec-with-optional-tuned.containerfile
index a952476851..4131ba7479 100644
--- a/test/image-blueprints-bootc/layer1-base/group4/rhel96-bootc-brew-ec-with-optional-tuned.containerfile
+++ b/test/image-blueprints-bootc/layer1-base/group4/rhel96-bootc-brew-ec-with-optional-tuned.containerfile
@@ -2,9 +2,19 @@
 # Note: This comment makes templating add a new line before the code
 FROM localhost/rhel96-bootc-brew-ec-with-optional:latest
 
+# Copy repository configuration for rt kernel
+# {{- if and (env.Getenv "UNAME_M" "") (eq "x86_64" .Env.UNAME_M) }}
+COPY ./bootc-images/microshift-rt.repo /etc/yum.repos.d/
+# {{- end }}
+
 # Install low-latency packages
 RUN dnf install -y microshift-low-latency-{{env.Getenv "BREW_EC_RELEASE_VERSION"}} && \
-    dnf clean all
+# {{- if and (env.Getenv "UNAME_M" "") (eq "x86_64" .Env.UNAME_M) }}
+dnf install -y kernel-rt && \
+dnf remove -y kernel kernel-core kernel-modules && \
+rm -vf /etc/yum.repos.d/microshift-rt.repo && \
+# {{- end }}
+dnf clean all
 
 # Enable microshift-tuned service
 RUN systemctl enable microshift-tuned
diff --git a/test/image-blueprints-bootc/layer1-base/group4/rhel96-bootc-brew-rc-with-optional-tuned.containerfile b/test/image-blueprints-bootc/layer1-base/group4/rhel96-bootc-brew-rc-with-optional-tuned.containerfile
index 71543a0a71..ad4576452b 100644
--- a/test/image-blueprints-bootc/layer1-base/group4/rhel96-bootc-brew-rc-with-optional-tuned.containerfile
+++ b/test/image-blueprints-bootc/layer1-base/group4/rhel96-bootc-brew-rc-with-optional-tuned.containerfile
@@ -2,9 +2,19 @@
 # Note: This comment makes templating add a new line before the code
 FROM localhost/rhel96-bootc-brew-rc-with-optional:latest
 
+# Copy repository configuration for rt kernel
+# {{- if and (env.Getenv "UNAME_M" "") (eq "x86_64" .Env.UNAME_M) }}
+COPY ./bootc-images/microshift-rt.repo /etc/yum.repos.d/
+# {{- end }}
+
 # Install low-latency packages
 RUN dnf install -y microshift-low-latency-{{env.Getenv "BREW_RC_RELEASE_VERSION"}} && \
-    dnf clean all
+# {{- if and (env.Getenv "UNAME_M" "") (eq "x86_64" .Env.UNAME_M) }}
+dnf install -y kernel-rt && \
+dnf remove -y kernel kernel-core kernel-modules && \
+rm -vf /etc/yum.repos.d/microshift-rt.repo && \
+# {{- end }}
+dnf clean all
 
 # Enable microshift-tuned service
 RUN systemctl enable microshift-tuned
diff --git a/test/image-blueprints-bootc/layer1-base/group4/rhel96-bootc-brew-zstream-with-optional-tuned.containerfile b/test/image-blueprints-bootc/layer1-base/group4/rhel96-bootc-brew-zstream-with-optional-tuned.containerfile
index c9ad4b277d..a58d94eba8 100644
--- a/test/image-blueprints-bootc/layer1-base/group4/rhel96-bootc-brew-zstream-with-optional-tuned.containerfile
+++ b/test/image-blueprints-bootc/layer1-base/group4/rhel96-bootc-brew-zstream-with-optional-tuned.containerfile
@@ -2,9 +2,19 @@
 # Note: This comment makes templating add a new line before the code
 FROM localhost/rhel96-bootc-brew-zstream-with-optional:latest
 
+# Copy repository configuration for rt kernel
+# {{- if and (env.Getenv "UNAME_M" "") (eq "x86_64" .Env.UNAME_M) }}
+COPY ./bootc-images/microshift-rt.repo /etc/yum.repos.d/
+# {{- end }}
+
 # Install low-latency packages
 RUN dnf install -y microshift-low-latency-{{env.Getenv "BREW_Y0_RELEASE_VERSION"}} && \
-    dnf clean all
+# {{- if and (env.Getenv "UNAME_M" "") (eq "x86_64" .Env.UNAME_M) }}
+dnf install -y kernel-rt && \
+dnf remove -y kernel kernel-core kernel-modules && \
+rm -vf /etc/yum.repos.d/microshift-rt.repo && \
+# {{- end }}
+dnf clean all
 
 # Enable microshift-tuned service
 RUN systemctl enable microshift-tuned
diff --git a/test/package-sources-bootc/microshift-rt.repo b/test/package-sources-bootc/microshift-rt.repo
new file mode 100644
index 0000000000..6cefd590e6
--- /dev/null
+++ b/test/package-sources-bootc/microshift-rt.repo
@@ -0,0 +1,13 @@
+{{- if and (env.Getenv "UNAME_M" "") (eq "x86_64" .Env.UNAME_M) }}
+[rhel-9-for-x86_64-rt-rpms]
+name = Red Hat Enterprise Linux 9 for x86_64 - Real Time (RPMs)
+baseurl = https://cdn.redhat.com/content/dist/rhel9/9.6/{{ .Env.UNAME_M }}/rt/os
+enabled = 1
+gpgcheck = 1
+gpgkey = file:///etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-release
+sslverify = 1
+sslcacert = /etc/rhsm/ca/redhat-uep.pem
+sslclientkey = {{ .Env.SSL_CLIENT_KEY_FILE }}
+sslclientcert = {{ .Env.SSL_CLIENT_CERT_FILE }}
+skip_if_unavailable = 0
+{{- end -}}
diff --git a/test/scenarios-bootc/releases/el96-lrel@low-latency.sh b/test/scenarios-bootc/releases/el96-lrel@low-latency.sh
index 575e81e30b..ade84049a1 100644
--- a/test/scenarios-bootc/releases/el96-lrel@low-latency.sh
+++ b/test/scenarios-bootc/releases/el96-lrel@low-latency.sh
@@ -44,6 +44,8 @@ scenario_run_tests() {
 
     run_tests host1 \
         --exitonfailure \
+        suites/tuned/profile.robot \
         suites/tuned/microshift-tuned.robot \
-        suites/tuned/workload-partitioning.robot
+        suites/tuned/workload-partitioning.robot \
+        suites/tuned/uncore-cache.robot
 }
diff --git a/test/suites/tuned/profile.robot b/test/suites/tuned/profile.robot
index 81d6244fe9..5795d65560 100644
--- a/test/suites/tuned/profile.robot
+++ b/test/suites/tuned/profile.robot
@@ -26,7 +26,7 @@ X86 64 Should Run RT Kernel
 
     ${arch}=    Command Should Work    uname -m
     IF    "${arch}" == "x86_64"
-        ${kernel}=    Command Should Work    sudo grubby --default-kernel
+        ${kernel}=    Command Should Work    uname -r
         Should End With    ${kernel}    +rt
     END
 
diff --git a/test/suites/tuned/uncore-cache.robot b/test/suites/tuned/uncore-cache.robot
index 7f23269988..d94206516e 100644
--- a/test/suites/tuned/uncore-cache.robot
+++ b/test/suites/tuned/uncore-cache.robot
@@ -77,10 +77,10 @@ Cleanup CPU State
     Remove Files    ${KUBELET_CPU_STATE_FILE}
 
 Check FeatureGates Is Enabled
-    [Documentation]    Skip suite if CoreDNS hosts feature is not available
+    [Documentation]    Skip suite if FeatureGates feature is not available
     ${config}=    Show Config    default
     TRY
         VAR    ${featuregates}=    ${config}[apiServer][featureGates]
     EXCEPT
-        Skip    CoreDNS hosts feature not available in this MicroShift version
+        Skip    FeatureGates feature not available in this MicroShift version
     END