Fix test for streamfields in inline children
Fix test for streamfields in inline children

zerolab/wagtail,zerolab/wagtail,gasman/wagtail,gasman/wagtail,thenewguy/wagtail,mixxorz/wagtail,gasman/wagtail,rsalmaso/wagtail,mixxorz/wagtail,rsalmaso/wagtail,rsalmaso/wagtail,wagtail/wagtail,jnns/wagtail,thenewguy/wagtail,thenewguy/wagtail,torchbox/wagtail,wagtail/wagtail,rsalmaso/wagtail,torchbox/wagtail,wagtail/wagtail,gasman/wagtail,torchbox/wagtail,jnns/wagtail,rsalmaso/wagtail,jnns/wagtail,jnns/wagtail,mixxorz/wagtail,thenewguy/wagtail,mixxorz/wagtail,wagtail/wagtail,torchbox/wagtail,zerolab/wagtail,zerolab/wagtail,zerolab/wagtail,mixxorz/wagtail,gasman/wagtail,wagtail/wagtail,thenewguy/wagtail