add tests for dealing with remotes

test/integration/pull/expected_remote/objects/00/3527daa0801470151d8f93140a02fc306fea00

@@ -0,0 +1,2 @@
+x
<01><>A
+<EFBFBD>0@Ѯs<D1AE><73>ʌN<CA8C>J\y<><79>L<EFBFBD><4C><EFBFBD>")<29><><EFBFBD>#t<>y<EFBFBD>S5[˥<><CBA5><EFBFBD>*<2A>`<60>e<08>3<EFBFBD><33><EFBFBD>쩋T^<5E><><EFBFBD>%<25>{<7B>⧽<EFBFBD><0E><0C>i<1E><1B><><EFBFBD>-U{I<>>H@<40>+<11>;<3B>9i<39>'w<>+<2B><><EFBFBD>4<>,<2C>

test/integration/pull/expected_remote/objects/6a/d6c42187d356f4eab4f004cca17863746adec1

@@ -0,0 +1,2 @@
+x
<01><>A
+<EFBFBD>0@Q<>9E<39><45>d2<64>I"BW=<3D>4<EFBFBD>`<60><>R"<22><><EFBFBD><11>~<7E>◵<EFBFBD><E297B5>[<5B>t껪<74><EABBAA>!<21><0E>#Lh<02><>kdO<18><>f<>]_<>"r<><72><0E><12><>LZ$V,<13>3<EFBFBD><33>E_<45>1<><31><EFBFBD>u<EFBFBD><75>h<EFBFBD><68>x׏<78><D78F><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>FJ<46><4A>#{p<><1C><><EFBFBD><EFBFBD>'7<>[<5B><><EFBFBD><EFBFBD>
<01><>90