[AIRFLOW-2678] Fix db schema unit test to remove checking fab models
[AIRFLOW-2678] Fix db schema unit test to remove checking fab models

nathanielvarona/airflow,mistercrunch/airflow,subodhchhabra/airflow,bolkedebruin/airflow,gtoonstra/airflow,sid88in/incubator-airflow,danielvdende/incubator-airflow,mtagle/airflow,dhuang/incubator-airflow,cfei18/incubator-airflow,sergiohgz/incubator-airflow,r39132/airflow,spektom/incubator-airflow,artwr/airflow,Acehaidrey/incubator-airflow,danielvdende/incubator-airflow,artwr/airflow,bolkedebruin/airflow,spektom/incubator-airflow,subodhchhabra/airflow,jgao54/airflow,sekikn/incubator-airflow,wooga/airflow,nathanielvarona/airflow,akosel/incubator-airflow,akosel/incubator-airflow,mtagle/airflow,mtagle/airflow,apache/incubator-airflow,gtoonstra/airflow,airbnb/airflow,wileeam/airflow,andyxhadji/incubator-airflow,subodhchhabra/airflow,fenglu-g/incubator-airflow,wileeam/airflow,lxneng/incubator-airflow,DinoCow/airflow,cfei18/incubator-airflow,apache/airflow,wooga/airflow,Acehaidrey/incubator-airflow,bolkedebruin/airflow,lxneng/incubator-airflow,criccomini/airflow,akosel/incubator-airflow,andyxhadji/incubator-airflow,nathanielvarona/airflow,dhuang/incubator-airflow,apache/incubator-airflow,lyft/incubator-airflow,mrkm4ntr/incubator-airflow,dhuang/incubator-airflow,apache/airflow,danielvdende/incubator-airflow,airbnb/airflow,danielvdende/incubator-airflow,mrkm4ntr/incubator-airflow,fenglu-g/incubator-airflow,Acehaidrey/incubator-airflow,lxneng/incubator-airflow,malmiron/incubator-airflow,cfei18/incubator-airflow,adamhaney/airflow,lyft/incubator-airflow,r39132/airflow,Fokko/incubator-airflow,lxneng/incubator-airflow,airbnb/airflow,nathanielvarona/airflow,jgao54/airflow,Fokko/incubator-airflow,danielvdende/incubator-airflow,criccomini/airflow,mistercrunch/airflow,airbnb/airflow,edgarRd/incubator-airflow,cfei18/incubator-airflow,bolkedebruin/airflow,apache/airflow,mistercrunch/airflow,wileeam/airflow,edgarRd/incubator-airflow,criccomini/airflow,lyft/incubator-airflow,spektom/incubator-airflow,subodhchhabra/airflow,andyxhadji/incubator-airflow,Acehaidrey/incubator-airflow,malmiron/incubator-airflow,spektom/incubator-airflow,sekikn/incubator-airflow,sid88in/incubator-airflow,Acehaidrey/incubator-airflow,mrkm4ntr/incubator-airflow,apache/incubator-airflow,mrkm4ntr/incubator-airflow,DinoCow/airflow,akosel/incubator-airflow,sekikn/incubator-airflow,adamhaney/airflow,gtoonstra/airflow,sid88in/incubator-airflow,wileeam/airflow,nathanielvarona/airflow,fenglu-g/incubator-airflow,r39132/airflow,Fokko/incubator-airflow,wooga/airflow,criccomini/airflow,cfei18/incubator-airflow,edgarRd/incubator-airflow,mistercrunch/airflow,Acehaidrey/incubator-airflow,andyxhadji/incubator-airflow,sergiohgz/incubator-airflow,malmiron/incubator-airflow,mtagle/airflow,DinoCow/airflow,sergiohgz/incubator-airflow,danielvdende/incubator-airflow,lyft/incubator-airflow,sergiohgz/incubator-airflow,adamhaney/airflow,nathanielvarona/airflow,artwr/airflow,cfei18/incubator-airflow,sekikn/incubator-airflow,jgao54/airflow,fenglu-g/incubator-airflow,apache/airflow,edgarRd/incubator-airflow,Fokko/incubator-airflow,wooga/airflow,sid88in/incubator-airflow,dhuang/incubator-airflow,apache/airflow,malmiron/incubator-airflow,jgao54/airflow,adamhaney/airflow,r39132/airflow,bolkedebruin/airflow,artwr/airflow,apache/incubator-airflow,gtoonstra/airflow,apache/airflow,DinoCow/airflow