diff --git a/common/tests/unit/.keep b/common/tests/unit/.keep
deleted file mode 100644
index e69de29b..00000000
diff --git a/common/tests/unit/cleanDoc.test.ts b/common/tests/unit/cleanDoc.test.ts
new file mode 100644
index 00000000..546ffd28
--- /dev/null
+++ b/common/tests/unit/cleanDoc.test.ts
@@ -0,0 +1,76 @@
+import {cleanDoc} from "../../src/util/parse";
+
+describe('cleanDoc', () => {
+  it('no change', () => {
+    const doc = {
+      "type": "doc",
+      "content": [{
+        "type": "paragraph",
+        "content": [{"type": "text", "text": "Good morning Sir"}, {"type": "hardBreak"}]
+      }, {
+        "type": "paragraph",
+        "content": [{
+          "type": "text",
+          "text": "Hello World"
+        }]
+      }]
+    }
+    const cleanedDoc = cleanDoc(doc)
+    expect(cleanedDoc).toEqual(doc)
+  })
+  it('trims start hard breaks', () => {
+    const doc = {
+      "type": "doc",
+      "content": [{
+        "type": "paragraph",
+        "content": [{"type": "hardBreak"}, {"type": "hardBreak"}, {"type": "text", "text": "Good morning Sir"}, {"type": "hardBreak"}]
+      }, {
+        "type": "paragraph",
+        "content": [{
+          "type": "text",
+          "text": "Hello World"
+        }]
+      }]
+    }
+    const cleanedDoc = cleanDoc(doc)
+    expect(cleanedDoc).toEqual({
+      "type": "doc",
+      "content": [{
+        "type": "paragraph",
+        "content": [{"type": "text", "text": "Good morning Sir"}, {"type": "hardBreak"}]
+      }, {
+        "type": "paragraph",
+        "content": [{
+          "type": "text",
+          "text": "Hello World"
+        }]
+      }]
+    })
+  })
+  it('trims end hard breaks', () => {
+    const doc = {
+      "type": "doc",
+      "content": [{
+        "type": "paragraph",
+        "content": [{"type": "text", "text": "Good morning Sir"}, {"type": "hardBreak"}]
+      }, {
+        "type": "paragraph",
+        "content": [{"type": "text", "text": "Hello World"}, {"type": "hardBreak"}, {"type": "hardBreak"}]
+      }]
+    }
+    const cleanedDoc = cleanDoc(doc)
+    expect(cleanedDoc).toEqual({
+      "type": "doc",
+      "content": [{
+        "type": "paragraph",
+        "content": [{"type": "text", "text": "Good morning Sir"}, {"type": "hardBreak"}]
+      }, {
+        "type": "paragraph",
+        "content": [{
+          "type": "text",
+          "text": "Hello World"
+        }]
+      }]
+    })
+  })
+})
\ No newline at end of file