Program: 95306
Project: 95306
Buggy source:
/** 
 * {@inheritDoc}
 */
protected void initPropDescriptor(){
  if (!getPropertyDescriptorList().isEmpty()) {
    clearPropertyDescriptors();
  }
  if (m_namePropDesc == null) {
    m_namePropDesc=new TextPropertyDescriptor(new ExecNameController(),P_REFERNCE_DISPLAY_NAME);
  }
  addPropertyDescriptor(m_namePropDesc);
  if (m_specNamePropDesc == null) {
    PropertyDescriptor propDes=new PropertyDescriptor(new SpecNameController(),P_SPECNAME_DISPLAY_NAME);
    propDes.setLabelProvider(new DisabledLabelProvider());
    m_specNamePropDesc=propDes;
  }
  addPropertyDescriptor(m_specNamePropDesc);
  if (m_commentPropDesc == null) {
    m_commentPropDesc=new TextPropertyDescriptor(new CommentController(),P_ELEMENT_DISPLAY_COMMENT);
  }
  addPropertyDescriptor(m_commentPropDesc);
  if (getTaskIdPropDesc() == null) {
    createJPropertyDescriptor();
  }
  addPropertyDescriptor(getTaskIdPropDesc());
  addPropertyDescriptor(getDataSourcePropertyDescr(new ExecTestCaseTestDataSourceController(this)));
  final JUnitTestSuiteController jsC=new JUnitTestSuiteController();
  createJUnitComboBox(jsC);
  if (m_extDataPropDesc == null) {
    m_extDataPropDesc=new TextPropertyDescriptor(new ExternalDataController(this),P_ELEMENT_DISPLAY_DATEFILE);
    m_extDataPropDesc.setCategory(P_TESTDATA_CAT);
  }
  addPropertyDescriptor(m_extDataPropDesc);
  if (m_referencedCubePropDesc == null) {
    IProjectPO activeProject=GeneralStorage.getInstance().getProject();
    IContentProposalProvider dataCubeRefProposalProvider=null;
    IValidator dataCubeRefValidator=null;
    if (activeProject != null) {
      dataCubeRefProposalProvider=new TestDataCubeRefContentProposalProvider(activeProject,(IParameterInterfacePO)getPoNode());
      dataCubeRefValidator=new TestDataCubeReferenceValidator(activeProject);
    }
    m_referencedCubePropDesc=new ContentAssistedTextPropertyDescriptor(new ReferenceTestDataController(this),P_ELEMENT_DISPLAY_REFDATA,dataCubeRefProposalProvider,dataCubeRefValidator,ContentProposalAdapter.PROPOSAL_REPLACE);
    m_referencedCubePropDesc.setCategory(P_TESTDATA_CAT);
  }
  addPropertyDescriptor(m_referencedCubePropDesc);
  addPropertyDescriptor(createParamDescriptors());
}

Fixed version (ground truth):
/** 
 * {@inheritDoc}
 */
protected void initPropDescriptor(){
  if (!getPropertyDescriptorList().isEmpty()) {
    clearPropertyDescriptors();
  }
  if (m_namePropDesc == null) {
    m_namePropDesc=new TextPropertyDescriptor(new ExecNameController(),P_REFERNCE_DISPLAY_NAME);
  }
  addPropertyDescriptor(m_namePropDesc);
  if (m_specNamePropDesc == null) {
    JBPropertyDescriptor propDes=new JBPropertyDescriptor(new SpecNameController(),P_SPECNAME_DISPLAY_NAME);
    propDes.setLabelProvider(new DisabledLabelProvider());
    m_specNamePropDesc=propDes;
  }
  addPropertyDescriptor(m_specNamePropDesc);
  if (m_commentPropDesc == null) {
    m_commentPropDesc=new TextPropertyDescriptor(new CommentController(),P_ELEMENT_DISPLAY_COMMENT);
  }
  addPropertyDescriptor(m_commentPropDesc);
  if (getTaskIdPropDesc() == null) {
    createJPropertyDescriptor();
  }
  addPropertyDescriptor(getTaskIdPropDesc());
  addPropertyDescriptor(getDataSourcePropertyDescr(new ExecTestCaseTestDataSourceController(this)));
  final JUnitTestSuiteController jsC=new JUnitTestSuiteController();
  createJUnitComboBox(jsC);
  if (m_extDataPropDesc == null) {
    m_extDataPropDesc=new TextPropertyDescriptor(new ExternalDataController(this),P_ELEMENT_DISPLAY_DATEFILE);
    m_extDataPropDesc.setCategory(P_TESTDATA_CAT);
  }
  addPropertyDescriptor(m_extDataPropDesc);
  if (m_referencedCubePropDesc == null) {
    IProjectPO activeProject=GeneralStorage.getInstance().getProject();
    IContentProposalProvider dataCubeRefProposalProvider=null;
    IValidator dataCubeRefValidator=null;
    if (activeProject != null) {
      dataCubeRefProposalProvider=new TestDataCubeRefContentProposalProvider(activeProject,(IParameterInterfacePO)getPoNode());
      dataCubeRefValidator=new TestDataCubeReferenceValidator(activeProject);
    }
    m_referencedCubePropDesc=new ContentAssistedTextPropertyDescriptor(new ReferenceTestDataController(this),P_ELEMENT_DISPLAY_REFDATA,dataCubeRefProposalProvider,dataCubeRefValidator,ContentProposalAdapter.PROPOSAL_REPLACE);
    m_referencedCubePropDesc.setCategory(P_TESTDATA_CAT);
  }
  addPropertyDescriptor(m_referencedCubePropDesc);
  addPropertyDescriptor(createParamDescriptors());
}