"Germans deport almost all Serbs who show up at the border on Monday"

Blic reports that the website of the German Embassy states that you can enter that country with an invitation letter and a negative coronavirus test not older than 48 hours, but in practice that is not the case.
Entry into Germany for the citizens of Serbia depends exclusively on the good will and assessment of the officials at the passport control. Such rigorous control of the entry of our citizens is justified by the German authorities with the coronavirus epidemic and the appearance of a mutated, even more dangerous strain of the virus.
"Therefore, if you plan to go to Germany with children, grandchildren or relatives, be careful because you risk being returned from passport control by the same plane back to Serbia," the text reads, adding that an older Belgrade woman experienced such inconvenience two days ago, although she had all the necessary documentation to enter Germany.
Due to the decision of the police officer, she could not cross the border and see her son and daughter-in-law, but also her newborn grandson.
"Since Monday, the Germans have deported back almost all Serbs who show up at their border and do not have a residence in that country. I went to Berlin with Air Serbia and gave all the necessary documentation at the passport control. I had all the papers that were specified on the embassy website as necessary - a regular passport, a negative PCR test, less than 48 hours old, an invitation letter from my son to visit him because he got a son, as well as a return air ticket. However, the policeman at the counter immediately told me that I could not enter Germany and stamp my passport stating deportation because of COVID-19. I was not told why he decided to do so. I had no choice, I had to go back home, immediately by the same...