diff --git a/.github/workflows/pr-test.yml b/.github/workflows/pr-test.yml
index 6a24a5747..c6f6a3a96 100644
--- a/.github/workflows/pr-test.yml
+++ b/.github/workflows/pr-test.yml
@@ -35,9 +35,12 @@ jobs:
           cd test/lang
           python3 run_suite.py --suite minimal
 
-  unit-test-backend-part-1:
+  unit-test-backend-1-gpu:
     if: github.repository == 'sgl-project/sglang' || github.event_name == 'pull_request'
     runs-on: 1-gpu-runner
+    strategy:
+      matrix:
+        range: [0-6, 6-16, 16-24, 24-30, 30-100]
     steps:
       - name: Checkout code
         uses: actions/checkout@v3
@@ -50,60 +53,12 @@ jobs:
         timeout-minutes: 25
         run: |
           cd test/srt
-          python3 run_suite.py --suite minimal --range-begin 0 --range-end 6
+          RANGE=${{ matrix.range }}
+          range_begin=${RANGE%-*}
+          range_end=${RANGE#*-}
+          python3 run_suite.py --suite minimal --range-begin ${range_begin} --range-end ${range_end}
 
-  unit-test-backend-part-2:
-    if: github.repository == 'sgl-project/sglang' || github.event_name == 'pull_request'
-    runs-on: 1-gpu-runner
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v3
-
-      - name: Install dependencies
-        run: |
-          bash scripts/ci_install_dependency.sh
-
-      - name: Run test
-        timeout-minutes: 25
-        run: |
-          cd test/srt
-          python3 run_suite.py --suite minimal --range-begin 6 --range-end 15
-
-  unit-test-backend-part-3:
-    if: github.repository == 'sgl-project/sglang' || github.event_name == 'pull_request'
-    runs-on: 1-gpu-runner
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v3
-
-      - name: Install dependencies
-        run: |
-          bash scripts/ci_install_dependency.sh
-
-      - name: Run test
-        timeout-minutes: 25
-        run: |
-          cd test/srt
-          python3 run_suite.py --suite minimal --range-begin 15 --range-end 24
-
-  unit-test-backend-part-4:
-    if: github.repository == 'sgl-project/sglang' || github.event_name == 'pull_request'
-    runs-on: 1-gpu-runner
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v3
-
-      - name: Install dependencies
-        run: |
-          bash scripts/ci_install_dependency.sh
-
-      - name: Run test
-        timeout-minutes: 25
-        run: |
-          cd test/srt
-          python3 run_suite.py --suite minimal --range-begin 24
-
-  unit-test-backend-2-gpu-part-1:
+  unit-test-backend-2-gpu:
     if: github.repository == 'sgl-project/sglang' || github.event_name == 'pull_request'
     runs-on: 2-gpu-runner
     steps:
@@ -267,8 +222,7 @@ jobs:
 
   finish:
     needs: [
-      unit-test-frontend, unit-test-backend-part-1, unit-test-backend-part-2, unit-test-backend-part-3, unit-test-backend-part-4,
-      unit-test-backend-2-gpu-part-1,
+      unit-test-frontend, unit-test-backend-1-gpu, unit-test-backend-2-gpu,
       performance-test-1-gpu-part-1, performance-test-1-gpu-part-2, performance-test-2-gpu,
       accuracy-test-1-gpu, accuracy-test-2-gpu
     ]
diff --git a/scripts/ci_install_dependency.sh b/scripts/ci_install_dependency.sh
index 5998922dd..e553fda1a 100755
--- a/scripts/ci_install_dependency.sh
+++ b/scripts/ci_install_dependency.sh
@@ -6,8 +6,14 @@ Install the dependency in CI.
 
 pip install --upgrade pip
 pip install -e "python[all]" --find-links https://flashinfer.ai/whl/cu121/torch2.4/flashinfer/
+
+# Force reinstall flashinfer
+pip install flashinfer -i https://flashinfer.ai/whl/cu121/torch2.4/ --force-reinstall
+
 pip install transformers==4.45.2 sentence_transformers accelerate peft
-# for compling eagle kernels
+
+# For compling eagle kernels
 pip install cutex
-# for compling xgrammar kernels
+
+# For compling xgrammar kernels
 pip install cuda-python nvidia-cuda-nvrtc-cu12
diff --git a/test/srt/run_suite.py b/test/srt/run_suite.py
index 18064ca27..4038404fa 100644
--- a/test/srt/run_suite.py
+++ b/test/srt/run_suite.py
@@ -91,6 +91,7 @@ if __name__ == "__main__":
 
     files = files[args.range_begin : args.range_end]
 
+    print(f"{args=}")
     print("The running tests are ", files)
 
     exit_code = run_unittest_files(files, args.timeout_per_file)