Add Tests for Profiler Package

[aryasoni98]

Problem

The profiler package has 0% test coverage and needs comprehensive testing.

Current State

• ❌ profiler package: 0% test coverage
• No tests for profiler initialization
• No tests for profiling data collection
• No tests for error scenarios

Acceptance Criteria

• Profiler initialization tested
• Profiling data collection tested
• Error scenarios tested
• Test coverage >80%

Tasks

Initialization Testing

• Test profiler initialization with valid config
• Test profiler initialization with invalid config
• Test profiler initialization with missing config
• Test profiler initialization with environment variables

Data Collection Testing

• Test profiling data collection
• Test profiling data export
• Test profiling data formatting
• Test profiling data validation

Error Scenarios Testing

• Test profiler errors
• Test configuration errors
• Test data collection errors
• Test export errors

Integration Testing

• Test profiler with different Go versions
• Test profiler with different platforms
• Test profiler with different configurations

Test Files to Create

• pkg/profiler/profiler_test.go

Success Metrics

• Target: >80% test coverage
• Current: 0%
• Measurement: go test -coverprofile=coverage.out ./pkg/profiler/...