Test Code - No errors but not code coverage

Try with below code it will help ! 

@isTest
public class SelectRecordType_Test {
   private  static TestMethod void unitTest(){
        case cs = new case();
        cs.Type='Billing Adjustment';
		cs.Status='New';
		cs.Origin='Web';
		Insert cs;
		cs=[SELECT id,Type FROM Case WHERE id=:cs.Id];
		System.assertEquals(cs.Type,'Billing Adjustment');
    }
	private static TestMethod void unitTest1(){
        case cs = new case();
        cs.Type='RMA';
		cs.Status='New';
		cs.Origin='Web';
		Insert cs;
		cs=[SELECT id,Type FROM Case WHERE id=:cs.Id];
		System.assertEquals(cs.Type,'RMA');
    }
}