Write a Unit Test for "Textarea" component

[sunilk429]

Issue Description

The Textarea component currently lacks any unit tests.

Expected Behavior

• Unit tests should be added for the Textarea component to verify:
  • Proper rendering with provided props such as label, value, placeholder, errorMessage, and rows.
  • Triggering of the onChange handler when the textarea value changes.
  • Application of custom class names.
  • Correct handling of the rows attribute, including a default value when not specified.
  • Omission of the label and errorMessage when not provided.

Current Behavior

There are no unit tests for the Textarea component in the project.

Reproducibility

• This issue is reproducible
• This issue is not reproducible

You can reproduce this issue by navigating to the _tests_ folder and confirming that there are no unit tests for the Textarea component.

Steps to Reproduce

1. Navigate to the _tests_ folder.
2. Verify that no unit tests exist for the Textarea component.

Severity/Priority

• Critical
• High
• Medium
• Low

Checklist

• I have read and followed the project's code of conduct.
• I have searched for similar issues before creating this one.
• I have provided all the necessary information to understand and reproduce the issue.
• I am willing to contribute to the resolution of this issue.