diff --git a/.github/workflows/test_and_docs.yml b/.github/workflows/test_and_docs.yml
index 3cdebe0084f..5c669616987 100644
--- a/.github/workflows/test_and_docs.yml
+++ b/.github/workflows/test_and_docs.yml
@@ -43,6 +43,15 @@ jobs:
         uses: eclipse-score/more-disk-space@v1.1
         with:
           level: 4
+      - name: Checkout repository (pull_request_target via workflow_call)
+        if: ${{ github.event_name == 'pull_request_target' }}
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        with:
+          ref: ${{ github.head_ref || github.event.pull_request.head.ref || github.ref }}
+          repository: ${{ github.event.pull_request.head.repo.full_name || github.repository }}
+      - name: Checkout repository
+        if: ${{ github.event_name != 'pull_request_target' }}
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
       - name: Setup Bazel
         uses: bazel-contrib/setup-bazel@0.18.0
         with:
@@ -63,15 +72,6 @@ jobs:
         with:
           packages: graphviz
           cache: false
-      - name: Checkout repository (pull_request_target via workflow_call)
-        if: ${{ github.event_name == 'pull_request_target' }}
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
-        with:
-          ref: ${{ github.head_ref || github.event.pull_request.head.ref || github.ref }}
-          repository: ${{ github.event.pull_request.head.repo.full_name || github.repository }}
-      - name: Checkout repository
-        if: ${{ github.event_name != 'pull_request_target' }}
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
       - name: Build documentation - preflight # If we have doc errors, we dont wait of them 1h +...
         run: |
           bazel run \
@@ -82,7 +82,8 @@ jobs:
           rm -rf _build/
       - name: Execute Unit Tests with Coverage Analysis
         run: |
-          python ./scripts/quality_runners.py
+          python ./scripts/quality_runners.py \
+            ${{ github.event_name != 'push' && github.event_name != 'release' && '--trust-cache' || '' }}
       - name: Execute Feature Integration Tests
         run: |
           bazel test --config=linux-x86_64 //feature_integration_tests/test_cases:fit
diff --git a/scripts/quality_runners.py b/scripts/quality_runners.py
index 8c1215bd087..f81333da409 100644
--- a/scripts/quality_runners.py
+++ b/scripts/quality_runners.py
@@ -59,7 +59,7 @@ def configure_aslr_for_sanitizers() -> None:
         print(f"QR: Could not lower vm.mmap_rnd_bits (continuing anyway): {result.stderr.strip()}")
 
 
-def run_unit_test_with_coverage(module: Module) -> dict[str, str | int]:
+def run_unit_test_with_coverage(module: Module, trust_cache: bool = False) -> dict[str, str | int]:
     print_centered("QR: Running unit tests")
 
     call = (
@@ -72,7 +72,9 @@ def run_unit_test_with_coverage(module: Module) -> dict[str, str | int]:
             "--config=ferrocene-coverage",
             "--test_summary=testcase",
             "--test_output=errors",
-            "--nocache_test_results",
+        ]
+        + ([] if trust_cache else ["--nocache_test_results"])
+        + [
             f"--instrumentation_filter=@{module.name}",
             f"@{module.name}{module.metadata.code_root_path}",
         ]
@@ -302,6 +304,13 @@ def parse_arguments() -> argparse.Namespace:
         default=[],
         help="List of modules to test",
     )
+    parser.add_argument(
+        "--trust-cache",
+        action="store_true",
+        help="Allow Bazel to reuse cached test/coverage results for unchanged modules instead of always "
+        "re-executing them (--nocache_test_results). Intended for fast PR-iteration checks; authoritative "
+        "runs (e.g. on push to main) should NOT set this, so coverage numbers are always freshly measured.",
+    )
     return parser.parse_args()
 
 
@@ -325,7 +334,7 @@ def main() -> bool:
             continue
 
         print_centered(f"QR: Testing module: {module.name}")
-        unit_tests_summary[module.name] = run_unit_test_with_coverage(module=module)
+        unit_tests_summary[module.name] = run_unit_test_with_coverage(module=module, trust_cache=args.trust_cache)
 
         if "cpp" in module.metadata.langs:
             coverage_summary[f"{module.name}_cpp"] = run_cpp_coverage_extraction(