🧪 Add Testing requirements

requirements_testing.txt

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+# Requirements for testing the multilingual emotion classifier
+# Install with: pip install -r requirements_testing.txt
+
+torch>=1.9.0
+transformers>=4.20.0
+numpy>=1.21.0
+pandas>=1.3.0
+scikit-learn>=1.0.0
+
+# Optional: for GPU support
+# torch-audio  # Uncomment if needed
+# torchaudio   # Uncomment if needed
+
+# For development and testing
+pytest>=6.0.0
+pytest-cov>=2.12.0