feat: add additional test for codeblock ``` ignore

Add test for codeblock ``` ignore to prevent and catch in future code
change that would produce wrong parsing.

Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>

fixtures/paragraph-ignore-```/expected.json

@@ -0,0 +1,3 @@
+{
+  "textarea-one": "Textarea input text 1\n\n```\n### To be ignored tag\n```"
+}

fixtures/paragraph-ignore-```/form.yml

@@ -0,0 +1,9 @@
+body:
+  - type: textarea
+    id: textarea-one
+    attributes:
+      label: My textarea input
+  - type: textarea
+    id: textarea-two
+    attributes:
+      label: Another textarea input

fixtures/paragraph-ignore-```/issue-body.md

@@ -0,0 +1,7 @@
+### My textarea input
+
+Textarea input text 1
+
+```
+### To be ignored tag
+```

fixtures/paragraph-ignore-```/issue.js

@@ -0,0 +1,6 @@
+const { resolve } = require("path");
+const { readFileSync } = require("fs");
+
+const issueBodyPath = resolve(__dirname, "issue-body.md");
+
+module.exports = readFileSync(issueBodyPath, "utf-8")

test.spec.js

@@ -169,6 +169,45 @@ it("paragraph with confusing ####", () => {
   expect(core.setOutput.mock.calls.length).toBe(2)
 });
 
+it("paragraph with ``` section", () => {
+  const expectedOutput = require("./fixtures/paragraph-ignore-```/expected.json");
+  const expectedOutputJson = JSON.stringify(expectedOutput, null, 2);
+
+  // mock ENV
+  const env = {
+    HOME: "<home path>",
+  };
+
+  // mock event payload
+  const eventPayload = require("./fixtures/paragraph-ignore-```/issue");
+
+  // mock fs
+  const fs = {
+    readFileSync(path, encoding) {
+      expect(path).toBe("<template-path>");
+      expect(encoding).toBe("utf8");
+      return readFileSync("fixtures/paragraph-ignore-```/form.yml", "utf-8");
+    },
+    writeFileSync(path, content) {
+      expect(path).toBe("<home path>/issue-parser-result.json");
+      expect(content).toBe(expectedOutputJson);
+    },
+  };
+
+  // mock core
+  const core = {
+    getInput: jest.fn(() => '<template-path>'),
+    setOutput: jest.fn(),
+  };
+
+  run(env, eventPayload, fs, core);
+
+  expect(core.getInput).toHaveBeenCalledWith('template-path')
+  expect(core.setOutput).toHaveBeenCalledWith('jsonString', JSON.stringify(expectedOutput, null, 2))
+  expect(core.setOutput).toHaveBeenCalledWith('issueparser_textarea-one', 'Textarea input text 1\n\n```\n### To be ignored tag\n```')
+  expect(core.setOutput.mock.calls.length).toBe(2)
+});
+
 it("blank", () => {
   const expectedOutput = require("./fixtures/blank/expected.json");
   const expectedOutputJson = JSON.stringify(expectedOutput, null, 2);