diff --git a/Makefile b/Makefile
index fa47da669..45d3a53e8 100644
--- a/Makefile
+++ b/Makefile
@@ -5,6 +5,14 @@ IMAGE_NAME := seldonio/mlserver
 .PHONY: install-dev _generate generate run build \
 	push-test push test lint fmt version clean licenses
 
+.PHONY: bootstrap-test
+bootstrap-test:
+	for _runtime in ./runtimes/*; \
+	do \
+		echo "Copying Tox configuration to $$_runtime..."; \
+		cp tox.runtime.ini $$_runtime/tox.ini; \
+	done
+
 install-dev:
 	poetry install --sync --with all-runtimes --with all-runtimes-dev
 
diff --git a/runtimes/alibi-detect/tox.ini b/runtimes/alibi-detect/tox.ini
index 026940b6f..bc9e828df 100644
--- a/runtimes/alibi-detect/tox.ini
+++ b/runtimes/alibi-detect/tox.ini
@@ -4,7 +4,7 @@ isolated_build = true
 [testenv]
 allowlist_externals = poetry
 commands_pre =
-    poetry install --sync --no-root 
+    poetry install --sync --no-root
     poetry install -C {toxinidir}/../../
 commands =
     python -m pytest {posargs} -n auto \
diff --git a/runtimes/alibi-explain/tox.ini b/runtimes/alibi-explain/tox.ini
index 026940b6f..bc9e828df 100644
--- a/runtimes/alibi-explain/tox.ini
+++ b/runtimes/alibi-explain/tox.ini
@@ -4,7 +4,7 @@ isolated_build = true
 [testenv]
 allowlist_externals = poetry
 commands_pre =
-    poetry install --sync --no-root 
+    poetry install --sync --no-root
     poetry install -C {toxinidir}/../../
 commands =
     python -m pytest {posargs} -n auto \
diff --git a/runtimes/catboost/tox.ini b/runtimes/catboost/tox.ini
index 21f3266d4..bc9e828df 100644
--- a/runtimes/catboost/tox.ini
+++ b/runtimes/catboost/tox.ini
@@ -4,8 +4,8 @@ isolated_build = true
 [testenv]
 allowlist_externals = poetry
 commands_pre =
-    poetry install --sync --no-root 
+    poetry install --sync --no-root
     poetry install -C {toxinidir}/../../
 commands =
-    python -m pytest {posargs} \
+    python -m pytest {posargs} -n auto \
         {toxinidir}/tests
diff --git a/runtimes/huggingface/tox.ini b/runtimes/huggingface/tox.ini
index 026940b6f..bc9e828df 100644
--- a/runtimes/huggingface/tox.ini
+++ b/runtimes/huggingface/tox.ini
@@ -4,7 +4,7 @@ isolated_build = true
 [testenv]
 allowlist_externals = poetry
 commands_pre =
-    poetry install --sync --no-root 
+    poetry install --sync --no-root
     poetry install -C {toxinidir}/../../
 commands =
     python -m pytest {posargs} -n auto \
diff --git a/runtimes/lightgbm/tox.ini b/runtimes/lightgbm/tox.ini
index 026940b6f..bc9e828df 100644
--- a/runtimes/lightgbm/tox.ini
+++ b/runtimes/lightgbm/tox.ini
@@ -4,7 +4,7 @@ isolated_build = true
 [testenv]
 allowlist_externals = poetry
 commands_pre =
-    poetry install --sync --no-root 
+    poetry install --sync --no-root
     poetry install -C {toxinidir}/../../
 commands =
     python -m pytest {posargs} -n auto \
diff --git a/runtimes/mlflow/tox.ini b/runtimes/mlflow/tox.ini
index 026940b6f..bc9e828df 100644
--- a/runtimes/mlflow/tox.ini
+++ b/runtimes/mlflow/tox.ini
@@ -4,7 +4,7 @@ isolated_build = true
 [testenv]
 allowlist_externals = poetry
 commands_pre =
-    poetry install --sync --no-root 
+    poetry install --sync --no-root
     poetry install -C {toxinidir}/../../
 commands =
     python -m pytest {posargs} -n auto \
diff --git a/runtimes/mllib/tox.ini b/runtimes/mllib/tox.ini
index 026940b6f..bc9e828df 100644
--- a/runtimes/mllib/tox.ini
+++ b/runtimes/mllib/tox.ini
@@ -4,7 +4,7 @@ isolated_build = true
 [testenv]
 allowlist_externals = poetry
 commands_pre =
-    poetry install --sync --no-root 
+    poetry install --sync --no-root
     poetry install -C {toxinidir}/../../
 commands =
     python -m pytest {posargs} -n auto \
diff --git a/runtimes/sklearn/tox.ini b/runtimes/sklearn/tox.ini
index 026940b6f..bc9e828df 100644
--- a/runtimes/sklearn/tox.ini
+++ b/runtimes/sklearn/tox.ini
@@ -4,7 +4,7 @@ isolated_build = true
 [testenv]
 allowlist_externals = poetry
 commands_pre =
-    poetry install --sync --no-root 
+    poetry install --sync --no-root
     poetry install -C {toxinidir}/../../
 commands =
     python -m pytest {posargs} -n auto \
diff --git a/runtimes/xgboost/tox.ini b/runtimes/xgboost/tox.ini
index 026940b6f..bc9e828df 100644
--- a/runtimes/xgboost/tox.ini
+++ b/runtimes/xgboost/tox.ini
@@ -4,7 +4,7 @@ isolated_build = true
 [testenv]
 allowlist_externals = poetry
 commands_pre =
-    poetry install --sync --no-root 
+    poetry install --sync --no-root
     poetry install -C {toxinidir}/../../
 commands =
     python -m pytest {posargs} -n auto \
diff --git a/tox.runtime.ini b/tox.runtime.ini
new file mode 100644
index 000000000..bc9e828df
--- /dev/null
+++ b/tox.runtime.ini
@@ -0,0 +1,11 @@
+[tox]
+isolated_build = true
+
+[testenv]
+allowlist_externals = poetry
+commands_pre =
+    poetry install --sync --no-root
+    poetry install -C {toxinidir}/../../
+commands =
+    python -m pytest {posargs} -n auto \
+        {toxinidir}/tests