refactor integration tests

test/integration/commitMultiline/expected/repo/.git_keep/COMMIT_EDITMSG

@@ -0,0 +1,3 @@
+first line
+
+third line

test/integration/commitMultiline/expected/repo/.git_keep/HEAD

@@ -0,0 +1 @@
+ref: refs/heads/master

test/integration/commitMultiline/expected/repo/.git_keep/config

@@ -0,0 +1,10 @@
+[core]
+	repositoryformatversion = 0
+	filemode = true
+	bare = false
+	logallrefupdates = true
+	ignorecase = true
+	precomposeunicode = true
+[user]
+	email = CI@example.com
+	name = CI

test/integration/commitMultiline/expected/repo/.git_keep/description

@@ -0,0 +1 @@
+Unnamed repository; edit this file 'description' to name the repository.

test/integration/commitMultiline/expected/repo/.git_keep/info/exclude

@@ -0,0 +1,7 @@
+# git ls-files --others --exclude-from=.git/info/exclude
+# Lines that start with '#' are comments.
+# For a project mostly in C, the following would be a good set of
+# exclude patterns (uncomment them if you want to use them):
+# *.[oa]
+# *~
+.DS_Store

test/integration/commitMultiline/expected/repo/.git_keep/logs/HEAD

@@ -0,0 +1,5 @@
+0000000000000000000000000000000000000000 176069f0ded1db43eecb3b629a6077dba6c68295 CI <CI@example.com> 1645602422 +1100	commit (initial): myfile1
+176069f0ded1db43eecb3b629a6077dba6c68295 9f1b5440546da24daad7014ccf3e1f4d81f9414b CI <CI@example.com> 1645602422 +1100	commit: myfile2
+9f1b5440546da24daad7014ccf3e1f4d81f9414b 3933a268c502712421b7bfa04888319d6f108574 CI <CI@example.com> 1645602422 +1100	commit: myfile3
+3933a268c502712421b7bfa04888319d6f108574 37128a3020849daa0847462d14c384cc74c42ae0 CI <CI@example.com> 1645602422 +1100	commit: myfile4
+37128a3020849daa0847462d14c384cc74c42ae0 574013716a7f007a27b647b90cdbc78d006d792b CI <CI@example.com> 1645602427 +1100	commit: first line

test/integration/commitMultiline/expected/repo/.git_keep/logs/refs/heads/master

@@ -0,0 +1,5 @@
+0000000000000000000000000000000000000000 176069f0ded1db43eecb3b629a6077dba6c68295 CI <CI@example.com> 1645602422 +1100	commit (initial): myfile1
+176069f0ded1db43eecb3b629a6077dba6c68295 9f1b5440546da24daad7014ccf3e1f4d81f9414b CI <CI@example.com> 1645602422 +1100	commit: myfile2
+9f1b5440546da24daad7014ccf3e1f4d81f9414b 3933a268c502712421b7bfa04888319d6f108574 CI <CI@example.com> 1645602422 +1100	commit: myfile3
+3933a268c502712421b7bfa04888319d6f108574 37128a3020849daa0847462d14c384cc74c42ae0 CI <CI@example.com> 1645602422 +1100	commit: myfile4
+37128a3020849daa0847462d14c384cc74c42ae0 574013716a7f007a27b647b90cdbc78d006d792b CI <CI@example.com> 1645602427 +1100	commit: first line

test/integration/commitMultiline/expected/repo/.git_keep/objects/17/6069f0ded1db43eecb3b629a6077dba6c68295

@@ -0,0 +1,2 @@
+x
<01>ÍA
+ƒ0@Ñ®sŠÙÊL:Ž))¸ò1™PÁ!")ØÛ×#tûyðS5[Ë¥íª€*©`”¹hÈÌJAr ©ô<ó=—˜:ï⧽ëãÏqzém[õ–ª

test/integration/commitMultiline/expected/repo/.git_keep/objects/57/4013716a7f007a27b647b90cdbc78d006d792b

@@ -0,0 +1,2 @@
+x
<01>ŽK
+Ã0D»ö)¼/YVbJ)d•c(²BùáºÐã7Ðt5ÃcŒìëš«Eè.µ¨Zì„=E7%<15>ÔŒ€¬,Ó0¥I‘ÉûQÍÁE·j}pÙB¤.1Ÿ¨ÅäH|$‘@B§†ßuÞ‹í{~x=½É¾>¬k©i
	ƒ½:`NzžªúçÜL¹¼ª]ò¦ÆÔ9—ôë_<C3AB>!?’

test/integration/commitMultiline/expected/repo/.git_keep/refs/heads/master

@@ -0,0 +1 @@
+574013716a7f007a27b647b90cdbc78d006d792b