2019年10月14日22:15:15
num_cases = int(input())
ans = [0]*num_cases
for i in range(num_cases):
num_bulbs = int(input())
bulbs_str = input()
j=0
while j < num_bulbs:
if bulbs_str[j] =='.':
j+=3
ans[i]+=1
else:
j+=1
for i in ans:
print(i)
