diff --git a/test/graph.test.js b/test/graph.test.js
deleted file mode 100644
index 67875e0..0000000
--- a/test/graph.test.js
+++ /dev/null
@@ -1,88 +0,0 @@
-const { Graph } = require('../src');
-
-describe('Graph', () => {
-  let graph;
-
-  beforeEach(() => {
-    graph = new Graph();
-  });
-
-  test('adds nodes correctly', () => {
-    graph.addNode('A', { value: 1 });
-    expect(graph.getNode('A')).toEqual({ value: 1 });
-    expect(() => graph.addNode('A')).toThrow(/already exists/);
-  });
-
-  test('adds edges correctly, including self-referential', () => {
-    graph.addNode('A');
-    graph.addNode('B');
-    const e1 = graph.addEdge('A', 'B', { weight: 5 });
-    const e2 = graph.addEdge('A', 'A', { weight: 3 }); // self-edge
-    expect(graph.getEdge(e1)).toEqual({ from: 'A', to: 'B', data: { weight: 5 } });
-    expect(graph.getEdge(e2)).toEqual({ from: 'A', to: 'A', data: { weight: 3 } });
-    expect(() => graph.addEdge('X', 'A')).toThrow(/does not exist/);
-  });
-
-  test('reflects an edge', () => {
-    graph.addNode('X');
-    graph.addNode('Y');
-    const e = graph.addEdge('X', 'Y', { relation: 'friend' });
-    const rev = graph.reflect(e);
-    expect(graph.getEdge(rev)).toEqual({ from: 'Y', to: 'X', data: { relation: 'friend' } });
-  });
-
-  test('refines a node', () => {
-    graph.addNode('N', { type: 'original' });
-    graph.addNode('M');
-    graph.addEdge('N', 'M', { link: true });
-
-    const refined = graph.refineNode('N', { type: 'refined' });
-    expect(refined).toBe('N_refined');
-    expect(graph.getNode(refined)).toEqual({ type: 'refined' });
-
-    // Original node still exists
-    expect(graph.getNode('N')).toEqual({ type: 'original' });
-
-    // Outgoing edge cloned
-    const outgoing = graph.getAdjacency(refined);
-    expect(outgoing.size).toBe(1);
-    const clonedEdgeId = Array.from(outgoing)[0];
-    const clonedEdge = graph.getEdge(clonedEdgeId);
-    expect(clonedEdge).toEqual({ from: refined, to: 'M', data: { link: true } });
-  });
-
-  test('refines an edge', () => {
-    graph.addNode('P');
-    graph.addNode('Q');
-    const e = graph.addEdge('P', 'Q', { cost: 10 });
-
-    const refined = graph.refineEdge(e, { cost: 20 });
-    expect(refined).toBe(`${e}_refined`);
-    expect(graph.getEdge(refined)).toEqual({ from: 'P', to: 'Q', data: { cost: 20 } });
-
-    // Original edge remains unchanged
-    expect(graph.getEdge(e)).toEqual({ from: 'P', to: 'Q', data: { cost: 10 } });
-  });
-
-  test('handles complex operations', () => {
-    graph.addNode('A');
-    graph.addNode('B');
-    graph.addNode('C');
-
-    const e1 = graph.addEdge('A', 'B', { weight: 1 });
-    const e2 = graph.addEdge('B', 'C', { weight: 2 });
-    const e3 = graph.addEdge('C', 'A', { weight: 3 });
-
-    // Reflect all edges
-    const rev1 = graph.reflect(e1);
-    const rev2 = graph.reflect(e2);
-    const rev3 = graph.reflect(e3);
-
-    // Refine node B
-    const refinedB = graph.refineNode('B', { status: 'active' });
-
-    // Verify adjacency of refined node
-    const adj = graph.getAdjacency(refinedB);
-    expect(adj.size).toBe(2); // edges to C and A (original outgoing edges)
-  });
-});
\ No newline at end of file
diff --git a/test/nodes/Reflection.test.js b/test/nodes/Reflection.test.js
deleted file mode 100644
index 8ed7204..0000000
--- a/test/nodes/Reflection.test.js
+++ /dev/null
@@ -1,8 +0,0 @@
-const { createNode } = require('../../src/index');
-
-test('Reflection node returns input unchanged', () => {
-  const node = createNode('Reflection');
-  const input = { a: 1 };
-  const output = node.execute(input);
-  expect(output).toBe(input);
-});
\ No newline at end of file
diff --git a/test/nodes/Rewrite.test.js b/test/nodes/Rewrite.test.js
deleted file mode 100644
index 59aea75..0000000
--- a/test/nodes/Rewrite.test.js
+++ /dev/null
@@ -1,8 +0,0 @@
-const { createNode } = require('../../src/index');
-
-test('Rewrite node replaces pattern', () => {
-  const node = createNode('Rewrite', { pattern: /foo/g, replacement: 'bar' });
-  const input = 'foo baz foo';
-  const output = node.execute(input);
-  expect(output).toBe('bar baz bar');
-});
\ No newline at end of file