Description of problem: Let's say you installed version 1 of ModuleB with rpms: TestG and TestH. Then you update it to version 2 which has rpms TestG and TestI. TestH is not removed.


Version-Release number of selected component (if applicable): 0:2.7.5-13


How reproducible: always


Steps to Reproduce:
1.
        ---     
        document: modulemd 
        version: 2
        data:   
          artifacts:
            rpms: ["TestG-0:1-1.modB.noarch", "TestH-0:1-1.modB.noarch"]                                               
          components:
            rpms: 
              TestG: {rationale: 'rationale for TestG'}                                                                
              TestH: {rationale: 'rationale for TestH'}                                                                
          description: Module ModuleB description                                                                      
          license:
            module: [MIT]
          name: ModuleB
          profiles: 
            default:
              rpms: [TestG, TestH] 
          stream: f26
          summary: Module ModuleB summary                                                                              
          version: 1
        ---   
        data:   
          artifacts:
            rpms: ["TestG-0:1-2.modB.noarch", "TestI-0:1-1.modB.noarch"]                                               
          components:
            rpms: 
              TestG: {rationale: 'rationale for TestG'}                                                                
              TestI: {rationale: 'rationale for TestI'}                                                                
          description: Module ModuleB description                                                                      
          license:
            module: [MIT]
          name: ModuleB                                                                                                
          profiles:                                                                                                    
            default:
              rpms: [TestG, TestI]
          stream: f26
          summary: Module ModuleB summary                                                                              
          version: 2
        document: modulemd 
        version: 2

2. Install ModuleB:f26:1
3. Update ModuleB

Actual results: TestH is kept in the system


Expected results: TestH is removed
        rpmdb changes are 
          | State     | Packages       |
          | upgraded  | TestG/1-2.modB |
          | removed   | TestH/1-1.modB |
          | installed | TestI/1-1.modB |


Additional info: