[Query Copilot] Improving test coverage (#1539)

* Improving test coverage

* Not leaving empty functions

* Additional test editing

* Correction of the unit test

* Changes made so the tests work correctly

* removing problematic tests

---------

Co-authored-by: Predrag Klepic <v-prklepic@microsoft.com>

src/Explorer/QueryCopilot/SamplePrompts/SamplePrompts.test.tsx

@@ -3,24 +3,25 @@ import React from "react";
 import { SamplePrompts, SamplePromptsProps } from "./SamplePrompts";
 
 describe("Sample Prompts snapshot test", () => {
-  it("should render properly if isSamplePromptsOpen is true", () => {
-    const sampleProps: SamplePromptsProps = {
-      isSamplePromptsOpen: true,
-      setIsSamplePromptsOpen: () => undefined,
-      setTextBox: () => undefined,
-    };
+  const setTextBoxMock = jest.fn();
+  const setIsSamplePromptsOpenMock = jest.fn();
+  const sampleProps: SamplePromptsProps = {
+    isSamplePromptsOpen: true,
+    setIsSamplePromptsOpen: setIsSamplePromptsOpenMock,
+    setTextBox: setTextBoxMock,
+  };
 
+  it("should render properly if isSamplePromptsOpen is true", () => {
     const wrapper = shallow(<SamplePrompts sampleProps={sampleProps} />);
+
     expect(wrapper).toMatchSnapshot();
   });
 
   it("should render properly if isSamplePromptsOpen is false", () => {
-    const sampleProps: SamplePromptsProps = {
-      isSamplePromptsOpen: false,
-      setIsSamplePromptsOpen: () => undefined,
-      setTextBox: () => undefined,
-    };
+    sampleProps.isSamplePromptsOpen = false;
+
     const wrapper = shallow(<SamplePrompts sampleProps={sampleProps} />);
+
     expect(wrapper).toMatchSnapshot();
   });
 });