diff --git a/.github/workflows/e2e-test.yml b/.github/workflows/e2e-test.yml
index 703dd7e5449..366254d39ad 100644
--- a/.github/workflows/e2e-test.yml
+++ b/.github/workflows/e2e-test.yml
@@ -226,11 +226,31 @@ jobs:
         with:
           image: "kserve/paddleserver:${{ github.sha }}"
 
+      - name: Download custom model grpc image
+        uses: ishworkh/docker-image-artifact-download@v1
+        with:
+          image: "kserve/custom-model-grpc:${{ github.sha }}"
+
+      - name: Download custom transformer grpc image
+        uses: ishworkh/docker-image-artifact-download@v1
+        with:
+          image: "kserve/custom-image-transformer-grpc:${{ github.sha }}"
+
       - name: Download transformer image
         uses: ishworkh/docker-image-artifact-download@v1
         with:
           image: "kserve/image-transformer:${{ github.sha }}"
 
+      - name: Download alibi image
+        uses: ishworkh/docker-image-artifact-download@v1
+        with:
+          image: "kserve/alibi-explainer:${{ github.sha }}"
+
+      - name: Download art explainer image
+        uses: ishworkh/docker-image-artifact-download@v1
+        with:
+          image: "kserve/art-explainer:${{ github.sha }}"
+
       - name: Download success_200_isvc predictor image
         uses: ishworkh/docker-image-artifact-download@v1
         with:
@@ -254,7 +274,7 @@ jobs:
       - name: Run all E2E tests except graph
         timeout-minutes: 60
         run: |
-          ./test/scripts/gh-actions/run-e2e-tests.sh "fast or pmml or slow" "6"
+          ./test/scripts/gh-actions/run-e2e-tests.sh "fast or pmml or slow or explainer or transformer or mms or collocation or grpc" "6"
 
       - name: Run E2E tests for graph
         timeout-minutes: 120
@@ -346,7 +366,7 @@ jobs:
         run: |
           ./test/scripts/gh-actions/status-check.sh
 
-#  test-slow:
+#  test-explainer:
 #    runs-on: ubuntu-latest
 #    needs:
 #      [kserve-image-build, predictor-runtime-build, explainer-runtime-build]
@@ -364,117 +384,85 @@ jobs:
 #      - uses: ./.github/actions/kserve-dep-setup
 #      - uses: ./.github/actions/base-download
 #
+#      - name: Download sklearn server image
+#        uses: ishworkh/docker-image-artifact-download@v1
+#        with:
+#          image: "kserve/sklearnserver:${{ github.sha }}"
+#
+#
+#
+#      - name: Install Poetry and version plugin
+#        run: ./test/scripts/gh-actions/setup-poetry.sh
+#
+#      - name: Install KServe
+#        run: |
+#          ./test/scripts/gh-actions/setup-kserve.sh
+#
+#          kubectl get pods -n kserve
+#          kubectl describe pods -n kserve
+#
+#      - name: Run E2E tests
+#        timeout-minutes: 40
+#        run: |
+#          ./test/scripts/gh-actions/run-e2e-tests.sh "explainer" "6"
 #
 #      - name: Check system status
 #        if: always()
 #        run: |
 #          ./test/scripts/gh-actions/status-check.sh
 
-  test-explainer:
-    runs-on: ubuntu-latest
-    needs:
-      [kserve-image-build, predictor-runtime-build, explainer-runtime-build]
-    steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-go@v4
-        with:
-          go-version: "1.21"
-      - uses: actions/setup-python@v4
-        with:
-          python-version: "3.9"
-
-      - uses: ./.github/actions/free-up-disk-space
-      - uses: ./.github/actions/minikube-setup
-      - uses: ./.github/actions/kserve-dep-setup
-      - uses: ./.github/actions/base-download
-
-      - name: Download sklearn server image
-        uses: ishworkh/docker-image-artifact-download@v1
-        with:
-          image: "kserve/sklearnserver:${{ github.sha }}"
-
-      - name: Download alibi image
-        uses: ishworkh/docker-image-artifact-download@v1
-        with:
-          image: "kserve/alibi-explainer:${{ github.sha }}"
-
-      - name: Download art explainer image
-        uses: ishworkh/docker-image-artifact-download@v1
-        with:
-          image: "kserve/art-explainer:${{ github.sha }}"
-
-      - name: Install Poetry and version plugin
-        run: ./test/scripts/gh-actions/setup-poetry.sh
-
-      - name: Install KServe
-        run: |
-          ./test/scripts/gh-actions/setup-kserve.sh
-
-          kubectl get pods -n kserve
-          kubectl describe pods -n kserve
-
-      - name: Run E2E tests
-        timeout-minutes: 40
-        run: |
-          ./test/scripts/gh-actions/run-e2e-tests.sh "explainer" "6"
-
-      - name: Check system status
-        if: always()
-        run: |
-          ./test/scripts/gh-actions/status-check.sh
-
-  test-transformer-mms:
-    runs-on: ubuntu-latest
-    needs:
-      [kserve-image-build, predictor-runtime-build, explainer-runtime-build]
-    steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-go@v4
-        with:
-          go-version: "1.21"
-      - uses: actions/setup-python@v4
-        with:
-          python-version: "3.9"
-
-      - uses: ./.github/actions/free-up-disk-space
-      - uses: ./.github/actions/minikube-setup
-      - uses: ./.github/actions/kserve-dep-setup
-      - uses: ./.github/actions/base-download
-
-      - name: Download sklearn server image
-        uses: ishworkh/docker-image-artifact-download@v1
-        with:
-          image: "kserve/sklearnserver:${{ github.sha }}"
-
-      - name: Download transformer image
-        uses: ishworkh/docker-image-artifact-download@v1
-        with:
-          image: "kserve/image-transformer:${{ github.sha }}"
-
-      - name: Download xgb server image
-        uses: ishworkh/docker-image-artifact-download@v1
-        with:
-          image: "kserve/xgbserver:${{ github.sha }}"
-
-      - name: Install Poetry and version plugin
-        run: ./test/scripts/gh-actions/setup-poetry.sh
-
-      - name: Install KServe
-        run: |
-          ./test/scripts/gh-actions/setup-kserve.sh
-
-          kubectl get pods -n kserve
-          kubectl describe pods -n kserve
-
-      - name: Run E2E tests
-        timeout-minutes: 40
-        run: |
-          ./test/scripts/gh-actions/run-e2e-tests.sh "transformer or mms or collocation" "6"
-
-      - name: Check system status
-        if: always()
-        run: |
-          ./test/scripts/gh-actions/status-check.sh
+#  test-transformer-mms:
+#    runs-on: ubuntu-latest
+#    needs:
+#      [kserve-image-build, predictor-runtime-build, explainer-runtime-build]
+#    steps:
+#      - uses: actions/checkout@v3
+#      - uses: actions/setup-go@v4
+#        with:
+#          go-version: "1.21"
+#      - uses: actions/setup-python@v4
+#        with:
+#          python-version: "3.9"
+#
+#      - uses: ./.github/actions/free-up-disk-space
+#      - uses: ./.github/actions/minikube-setup
+#      - uses: ./.github/actions/kserve-dep-setup
+#      - uses: ./.github/actions/base-download
+#
+#      - name: Download sklearn server image
+#        uses: ishworkh/docker-image-artifact-download@v1
+#        with:
+#          image: "kserve/sklearnserver:${{ github.sha }}"
+#
+#      - name: Download transformer image
+#        uses: ishworkh/docker-image-artifact-download@v1
+#        with:
+#          image: "kserve/image-transformer:${{ github.sha }}"
+#
+#      - name: Download xgb server image
+#        uses: ishworkh/docker-image-artifact-download@v1
+#        with:
+#          image: "kserve/xgbserver:${{ github.sha }}"
+#
+#      - name: Install Poetry and version plugin
+#        run: ./test/scripts/gh-actions/setup-poetry.sh
+#
+#      - name: Install KServe
+#        run: |
+#          ./test/scripts/gh-actions/setup-kserve.sh
+#
+#          kubectl get pods -n kserve
+#          kubectl describe pods -n kserve
+#
+#      - name: Run E2E tests
+#        timeout-minutes: 40
+#        run: |
+#          ./test/scripts/gh-actions/run-e2e-tests.sh "transformer or mms or collocation" "6"
+#
+#      - name: Check system status
+#        if: always()
+#        run: |
+#          ./test/scripts/gh-actions/status-check.sh
 
   test-qpext:
     runs-on: ubuntu-latest
@@ -520,67 +508,67 @@ jobs:
         run: |
           ./test/scripts/gh-actions/status-check.sh
 
-  test-grpc:
-    runs-on: ubuntu-latest
-    needs:
-      [kserve-image-build, predictor-runtime-build, explainer-runtime-build]
-    steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-go@v4
-        with:
-          go-version: "1.21"
-      - uses: actions/setup-python@v4
-        with:
-          python-version: "3.9"
-
-      - uses: ./.github/actions/free-up-disk-space
-      - uses: ./.github/actions/minikube-setup
-      - uses: ./.github/actions/kserve-dep-setup
-      - uses: ./.github/actions/base-download
-
-      - name: Download custom model grpc image
-        uses: ishworkh/docker-image-artifact-download@v1
-        with:
-          image: "kserve/custom-model-grpc:${{ github.sha }}"
-
-      - name: Download custom transformer image
-        uses: ishworkh/docker-image-artifact-download@v1
-        with:
-          image: "kserve/image-transformer:${{ github.sha }}"
-
-      - name: Download custom transformer grpc image
-        uses: ishworkh/docker-image-artifact-download@v1
-        with:
-          image: "kserve/custom-image-transformer-grpc:${{ github.sha }}"
-
-      - name: Download xgb server image
-        uses: ishworkh/docker-image-artifact-download@v1
-        with:
-          image: "kserve/xgbserver:${{ github.sha }}"
-
-      - name: Download lgb server image
-        uses: ishworkh/docker-image-artifact-download@v1
-        with:
-          image: "kserve/lgbserver:${{ github.sha }}"
-
-      - name: Install Poetry and version plugin
-        run: ./test/scripts/gh-actions/setup-poetry.sh
-
-      - name: Install KServe
-        run: |
-          ./test/scripts/gh-actions/setup-kserve.sh
-          kubectl get pods -n kserve
-          kubectl describe pods -n kserve
-
-      - name: Run E2E tests
-        timeout-minutes: 40
-        run: |
-          ./test/scripts/gh-actions/run-e2e-tests.sh "grpc" "6"
-
-      - name: Check system status
-        if: always()
-        run: |
-          ./test/scripts/gh-actions/status-check.sh
+#  test-grpc:
+#    runs-on: ubuntu-latest
+#    needs:
+#      [kserve-image-build, predictor-runtime-build, explainer-runtime-build]
+#    steps:
+#      - uses: actions/checkout@v3
+#      - uses: actions/setup-go@v4
+#        with:
+#          go-version: "1.21"
+#      - uses: actions/setup-python@v4
+#        with:
+#          python-version: "3.9"
+#
+#      - uses: ./.github/actions/free-up-disk-space
+#      - uses: ./.github/actions/minikube-setup
+#      - uses: ./.github/actions/kserve-dep-setup
+#      - uses: ./.github/actions/base-download
+#
+#      - name: Download custom model grpc image
+#        uses: ishworkh/docker-image-artifact-download@v1
+#        with:
+#          image: "kserve/custom-model-grpc:${{ github.sha }}"
+#
+#      - name: Download custom transformer image
+#        uses: ish workh/docker-image-artifact-download@v1
+#        with:
+#          image: "kserve/image-transformer:${{ github.sha }}"
+#
+#      - name: Download custom transformer grpc image
+#        uses: ishworkh/docker-image-artifact-download@v1
+#        with:
+#          image: "kserve/custom-image-transformer-grpc:${{ github.sha }}"
+#
+#      - name: Download xgb server image
+#        uses: ishworkh/docker-image-artifact-download@v1
+#        with:
+#          image: "kserve/xgbserver:${{ github.sha }}"
+#
+#      - name: Download lgb server image
+#        uses: ishworkh/docker-image-artifact-download@v1
+#        with:
+#          image: "kserve/lgbserver:${{ github.sha }}"
+#
+#      - name: Install Poetry and version plugin
+#        run: ./test/scripts/gh-actions/setup-poetry.sh
+#
+#      - name: Install KServe
+#        run: |
+#          ./test/scripts/gh-actions/setup-kserve.sh
+#          kubectl get pods -n kserve
+#          kubectl describe pods -n kserve
+#
+#      - name: Run E2E tests
+#        timeout-minutes: 40
+#        run: |
+#          ./test/scripts/gh-actions/run-e2e-tests.sh "grpc" "6"
+#
+#      - name: Check system status
+#        if: always()
+#        run: |
+#          ./test/scripts/gh-actions/status-check.sh
 
   test-with-helm:
     runs-on: ubuntu-latest
diff --git a/test/e2e/helm/test_kserve_sklearn.py b/test/e2e/helm/test_kserve_sklearn.py
index edbc9fbbaee..5b8d08d992a 100644
--- a/test/e2e/helm/test_kserve_sklearn.py
+++ b/test/e2e/helm/test_kserve_sklearn.py
@@ -33,7 +33,7 @@
 
 @pytest.mark.helm
 def test_sklearn_kserve():
-    service_name = "isvc-sklearn-kserve"
+    service_name = "isvc-sklearn-helm"
 
     predictor = V1beta1PredictorSpec(
         min_replicas=1,
diff --git a/test/e2e/predictor/test_sklearn.py b/test/e2e/predictor/test_sklearn.py
index 2fa6f0a57ed..94dd54ce399 100644
--- a/test/e2e/predictor/test_sklearn.py
+++ b/test/e2e/predictor/test_sklearn.py
@@ -61,7 +61,7 @@ def test_sklearn_kserve():
 
 @pytest.mark.slow
 def test_sklearn_v2_mlserver():
-    service_name = "isvc-sklearn-v2"
+    service_name = "sklearn-v2-mlserver"
     predictor = V1beta1PredictorSpec(
         min_replicas=1,
         sklearn=V1beta1SKLearnSpec(
diff --git a/test/e2e/pytest.ini b/test/e2e/pytest.ini
index cd845e389ff..fa4fd0043ab 100644
--- a/test/e2e/pytest.ini
+++ b/test/e2e/pytest.ini
@@ -11,3 +11,4 @@ markers =
     helm: helm e2e tests
     raw: raw e2e tests
     kourier: e2e tests using kourier as networking layer
+    collocation: transformer and predictor collocation e2e tests
diff --git a/test/e2e/qpext/test_qpext.py b/test/e2e/qpext/test_qpext.py
index ffd3834e5aa..18e5acff570 100644
--- a/test/e2e/qpext/test_qpext.py
+++ b/test/e2e/qpext/test_qpext.py
@@ -38,7 +38,7 @@
 
 def test_qpext_kserve():
     # test the qpext using the sklearn predictor
-    service_name = "isvc-sklearn-v2"
+    service_name = "sklearn-v2-metrics"
     predictor = V1beta1PredictorSpec(
         min_replicas=1,
         sklearn=V1beta1SKLearnSpec(