test: add comprehensive tests for fragmentation strategies

Author: nikolay-e

.github/workflows/ci.yml

@@ -112,12 +112,7 @@ jobs:
       - name: Install Dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install -e .[dev]
-
-      - name: Install Optional Dependencies (Linux only for coverage)
-        if: runner.os == 'Linux'
-        run: |
-          pip install -e .[full]
+          pip install -e ".[dev,full]"
 
       - name: Run Tests with Coverage
         shell: bash
@@ -126,7 +121,6 @@ jobs:
             --cov-report=term-missing --cov-branch --junitxml=test-results.xml
 
       - name: Coverage report with threshold
-        if: runner.os == 'Linux'
         run: |
           coverage report --fail-under=80