command: Fix tests for "terraform fmt" command
command: Fix tests for "terraform fmt" command

Some underlying assumptions have shifted here, so although the behavior
is still broadly the same we need to accommodate some different details.

drebes/terraform,heimweh/terraform,brandontosch/terraform,iljaskevic/terraform,heimweh/terraform,apparentlymart/terraform,ewbankkit/terraform,mattray/terraform,VladRassokhin/terraform,pradeepbhadani/terraform,youhong316/terraform,ewbankkit/terraform,rnaveiras/terraform,luis-silva/terraform,pradeepbhadani/terraform,youhong316/terraform,iljaskevic/terraform,mattray/terraform,hashicorp/terraform,heimweh/terraform,tpounds/terraform,rnaveiras/terraform,drebes/terraform,pryorda/terraform,pryorda/terraform,pradeepbhadani/terraform,mattray/terraform,heimweh/terraform,youhong316/terraform,drebes/terraform,mattray/terraform,luis-silva/terraform,nlamirault/terraform,brandontosch/terraform,VladRassokhin/terraform,luis-silva/terraform,tommynsong/terraform,tommynsong/terraform,tpounds/terraform,luis-silva/terraform,hashicorp/terraform,apparentlymart/terraform,iljaskevic/terraform,brandontosch/terraform,drebes/terraform,ewbankkit/terraform,nlamirault/terraform,apparentlymart/terraform,ewbankkit/terraform,apparentlymart/terraform,youhong316/terraform,heimweh/terraform,pdecat/terraform,VladRassokhin/terraform,nlamirault/terraform,iljaskevic/terraform,pdecat/terraform,pdecat/terraform,tpounds/terraform,gechr/terraform,brandontosch/terraform,gechr/terraform,tpounds/terraform,apparentlymart/terraform,brandontosch/terraform,tommynsong/terraform,hashicorp/terraform,pryorda/terraform,VladRassokhin/terraform,pdecat/terraform,gechr/terraform,rnaveiras/terraform