test file added & mongo tested

Ztest/Dockerfile

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+# Use Python 3.9 as base image
+FROM python:3.9-slim
+
+# Set environment variables
+ENV PYTHONUNBUFFERED=1 \
+    PYTHONDONTWRITEBYTECODE=1 \
+    PIP_NO_CACHE_DIR=1 \
+    POETRY_VERSION=1.7.1 \
+    POETRY_HOME="/opt/poetry" \
+    POETRY_VIRTUALENVS_CREATE=false \
+    PYTHONPATH=/app
+
+# Add Poetry to PATH
+ENV PATH="$POETRY_HOME/bin:$PATH"
+
+# Install system dependencies
+RUN apt-get update \
+    && apt-get install -y --no-install-recommends \
+        curl \
+        build-essential \
+        libpq-dev \
+        postgresql-client \
+    && rm -rf /var/lib/apt/lists/*
+
+# Install Poetry
+RUN curl -sSL https://install.python-poetry.org | python3 -
+
+# Set working directory
+WORKDIR /app
+
+# Copy project files
+COPY pyproject.toml poetry.lock* ./
+
+# Install dependencies
+RUN poetry install --no-root --no-interaction --no-ansi
+
+# Copy required directories
+COPY Ztest/ ./Ztest/
+COPY Services/ ./Services/
+COPY AllConfigs/ ./AllConfigs/
+COPY ApiLibrary/ ./ApiLibrary/
+COPY ErrorHandlers/ ./ErrorHandlers/
+
+# Set entrypoint for running tests
+ENTRYPOINT ["poetry", "run", "pytest"]
+CMD ["-v", "--cov=Services", "Ztest/"]