Test suite executed from CI pipeline (#433)

* Test strategy & test cases

* Unit tests

* Integration tests

run_tests.sh

@@ -0,0 +1,48 @@
+#!/bin/bash
+# Test runner script for TrustGraph
+
+echo "TrustGraph Test Runner"
+echo "===================="
+
+# Check if we're in the right directory
+if [ ! -f "install_packages.sh" ]; then
+    echo "❌ Error: Please run this script from the project root directory"
+    echo "   Expected files: install_packages.sh, check_imports.py"
+    exit 1
+fi
+
+# Step 1: Check current imports
+echo "Step 1: Checking current imports..."
+python check_imports.py
+
+# Step 2: Install packages if needed
+echo ""
+echo "Step 2: Installing TrustGraph packages..."
+echo "This may take a moment..."
+./install_packages.sh
+
+# Step 3: Check imports again
+echo ""
+echo "Step 3: Verifying imports after installation..."
+python check_imports.py
+
+# Step 4: Install test dependencies
+echo ""
+echo "Step 4: Installing test dependencies..."
+cd tests/
+pip install -r requirements.txt
+cd ..
+
+# Step 5: Run the tests
+echo ""
+echo "Step 5: Running VertexAI tests..."
+echo "Command: pytest tests/unit/test_text_completion/test_vertexai_processor.py -v"
+echo ""
+
+# Set Python path just in case
+export PYTHONPATH=$PWD:$PYTHONPATH
+
+pytest tests/unit/test_text_completion/test_vertexai_processor.py -v
+
+echo ""
+echo "Test run complete!"