diff --git a/modules/jax/tests/test_jax.py b/modules/jax/tests/test_jax.py
index 90329259..c2138e8b 100644
--- a/modules/jax/tests/test_jax.py
+++ b/modules/jax/tests/test_jax.py
@@ -1,28 +1,43 @@
 import pytest
 from modules.jax.testcontainers.jax_cuda import JAXContainer
 
-def test_jax_container():
-    with JAXContainer() as jax_container:
-        jax_container.connect()
-        
-        # Test running a simple JAX computation
-        result = jax_container.run_jax_command("import jax; print(jax.numpy.add(1, 1))")
-        assert "2" in result.output.decode()
+@pytest.fixture(scope="module")
+def jax_container():
+    with JAXContainer() as container:
+        container.connect()
+        yield container
 
-def test_jax_container_gpu_support():
-    with JAXContainer() as jax_container:
-        jax_container.connect()
-        
-        # Test GPU availability
-        result = jax_container.run_jax_command(
-            "import jax; print(jax.devices())"
-        )
-        assert "gpu" in result.output.decode().lower()
+def test_jax_container_basic_computation(jax_container):
+    result = jax_container.run_jax_command("import jax; print(jax.numpy.add(1, 1))")
+    assert "2" in result.output.decode(), "Basic JAX computation failed"
 
-def test_jax_container_jupyter():
-    with JAXContainer() as jax_container:
-        jax_container.connect()
-        
-        jupyter_url = jax_container.get_jupyter_url()
-        assert jupyter_url.startswith("http://")
-        assert ":8888" in jupyter_url
\ No newline at end of file
+def test_jax_container_version(jax_container):
+    result = jax_container.run_jax_command("import jax; print(jax.__version__)")
+    assert result.exit_code == 0, "Failed to get JAX version"
+    assert result.output.decode().strip(), "JAX version is empty"
+
+def test_jax_container_gpu_support(jax_container):
+    result = jax_container.run_jax_command(
+        "import jax; devices = jax.devices(); "
+        "print(any(dev.platform == 'gpu' for dev in devices))"
+    )
+    assert "True" in result.output.decode(), "No GPU device found"
+
+def test_jax_container_matrix_multiplication(jax_container):
+    command = """
+import jax
+import jax.numpy as jnp
+x = jnp.array([[1, 2], [3, 4]])
+y = jnp.array([[5, 6], [7, 8]])
+result = jnp.dot(x, y)
+print(result)
+    """
+    result = jax_container.run_jax_command(command)
+    assert "[[19 22]\n [43 50]]" in result.output.decode(), "Matrix multiplication failed"
+
+def test_jax_container_custom_image():
+    custom_image = "nvcr.io/nvidia/jax:23.09-py3"
+    with JAXContainer(image=custom_image) as container:
+        container.connect()
+        result = container.run_jax_command("import jax; print(jax.__version__)")
+        assert result.exit_code == 0, f"Failed to run JAX with custom image {custom_image}"
\ No newline at end of file