### Question:
Collection extends DSpaceObject implements DSpaceObjectLegacySupport { public Group getSubmitters() { return submitters; } protected  Collection(); @Override String getName(); Bitstream getLogo(); Group getSubmitters(); Group getAdministrators(); Group getWorkflowStep1(); Group getWorkflowStep2(); Group getWorkflowStep3(); String getLicenseCollection(); void setLicense(Context context, String license); Item getTemplateItem(); List<Community> getCommunities(); @Override boolean equals(Object other); @Override int hashCode(); @Override int getType(); void setWorkflowGroup(Context context, int step, Group g); @Override Integer getLegacyId(); @Transient
    static final String COPYRIGHT_TEXT; @Transient
    static final String INTRODUCTORY_TEXT; @Transient
    static final String SHORT_DESCRIPTION; @Transient
    static final String SIDEBAR_TEXT; @Transient
    static final String PROVENANCE_TEXT; }### Answer:
@Test public void testRemoveSubmittersAuth() throws Exception { new NonStrictExpectations(AuthorizeUtil.class) {{ AuthorizeUtil.authorizeManageSubmittersGroup((Context) any, (Collection) any); result = null; }}; collectionService.removeSubmitters(context, collection); assertThat("testRemoveSubmittersAuth 0", collection.getSubmitters(), nullValue()); }
@Test public void testGetSubmitters() { assertThat("testGetSubmitters 0", collection.getSubmitters(), nullValue()); }