add tests for rich text editor (bcgov#1762)

epictrack-web/src/components/shared/richTextEditor/__test__/RichTextEditor.cy.tsx

@@ -0,0 +1,26 @@
+import RichTextEditor from "../index";
+
+describe("RichTextEditor Component Tests", () => {
+  it("should render the component", () => {
+    cy.mount(<RichTextEditor />);
+  });
+
+  it("should call handleEditorStateChange and setRawText when the editor state changes", () => {
+    const handleEditorStateChange = cy.stub();
+    const setRawText = cy.stub();
+    cy.mount(
+      <RichTextEditor
+        handleEditorStateChange={handleEditorStateChange}
+        setRawText={setRawText}
+      />
+    );
+    cy.get('[role="textbox"]').type("Test text");
+
+    cy.wrap(setRawText).should("have.been.calledWith", "Test text");
+  });
+
+  it("should display helper text when error is true", () => {
+    cy.mount(<RichTextEditor error={true} helperText={"Error message"} />);
+    cy.contains("Error message").should("be.visible");
+  });
+});