diff --git a/t/t0203-gettext-setlocale-sanity.sh b/t/t0203-gettext-setlocale-sanity.sh
index a212460081..71b0d74b4d 100755
--- a/t/t0203-gettext-setlocale-sanity.sh
+++ b/t/t0203-gettext-setlocale-sanity.sh
@@ -8,7 +8,7 @@ test_description="The Git C functions aren't broken by setlocale(3)"
 . ./lib-gettext.sh
 
 test_expect_success 'git show a ISO-8859-1 commit under C locale' '
-	. "$TEST_DIRECTORY"/t3901-8859-1.txt &&
+	. "$TEST_DIRECTORY"/t3901/8859-1.txt &&
 	test_commit "iso-c-commit" iso-under-c &&
 	git show >out 2>err &&
 	! test -s err &&
@@ -16,7 +16,7 @@ test_expect_success 'git show a ISO-8859-1 commit under C locale' '
 '
 
 test_expect_success GETTEXT_LOCALE 'git show a ISO-8859-1 commit under a UTF-8 locale' '
-	. "$TEST_DIRECTORY"/t3901-8859-1.txt &&
+	. "$TEST_DIRECTORY"/t3901/8859-1.txt &&
 	test_commit "iso-utf8-commit" iso-under-utf8 &&
 	LANGUAGE=is LC_ALL="$is_IS_locale" git show >out 2>err &&
 	! test -s err &&
diff --git a/t/t3901-i18n-patch.sh b/t/t3901-i18n-patch.sh
index f663d567c8..923eb01f0e 100755
--- a/t/t3901-i18n-patch.sh
+++ b/t/t3901-i18n-patch.sh
@@ -31,7 +31,7 @@ test_expect_success setup '
 
 	# use UTF-8 in author and committer name to match the
 	# i18n.commitencoding settings
-	. "$TEST_DIRECTORY"/t3901-utf8.txt &&
+	. "$TEST_DIRECTORY"/t3901/utf8.txt &&
 
 	test_tick &&
 	echo "$GIT_AUTHOR_NAME" >mine &&
@@ -55,7 +55,7 @@ test_expect_success setup '
 		# the second one on the side branch is ISO-8859-1
 		git config i18n.commitencoding ISO8859-1 &&
 		# use author and committer name in ISO-8859-1 to match it.
-		. "$TEST_DIRECTORY"/t3901-8859-1.txt
+		. "$TEST_DIRECTORY"/t3901/8859-1.txt
 	fi &&
 	test_tick &&
 	echo Yet another >theirs &&
@@ -100,7 +100,7 @@ test_expect_success 'rebase (U/U)' '
 
 	# The result will be committed by GIT_COMMITTER_NAME --
 	# we want UTF-8 encoded name.
-	. "$TEST_DIRECTORY"/t3901-utf8.txt &&
+	. "$TEST_DIRECTORY"/t3901/utf8.txt &&
 	git checkout -b test &&
 	git rebase master &&
 
@@ -110,7 +110,7 @@ test_expect_success 'rebase (U/U)' '
 test_expect_success 'rebase (U/L)' '
 	git config i18n.commitencoding UTF-8 &&
 	git config i18n.logoutputencoding ISO8859-1 &&
-	. "$TEST_DIRECTORY"/t3901-utf8.txt &&
+	. "$TEST_DIRECTORY"/t3901/utf8.txt &&
 
 	git reset --hard side &&
 	git rebase master &&
@@ -122,7 +122,7 @@ test_expect_success !MINGW 'rebase (L/L)' '
 	# In this test we want ISO-8859-1 encoded commits as the result
 	git config i18n.commitencoding ISO8859-1 &&
 	git config i18n.logoutputencoding ISO8859-1 &&
-	. "$TEST_DIRECTORY"/t3901-8859-1.txt &&
+	. "$TEST_DIRECTORY"/t3901/8859-1.txt &&
 
 	git reset --hard side &&
 	git rebase master &&
@@ -135,7 +135,7 @@ test_expect_success !MINGW 'rebase (L/U)' '
 	# to get ISO-8859-1 results.
 	git config i18n.commitencoding ISO8859-1 &&
 	git config i18n.logoutputencoding UTF-8 &&
-	. "$TEST_DIRECTORY"/t3901-8859-1.txt &&
+	. "$TEST_DIRECTORY"/t3901/8859-1.txt &&
 
 	git reset --hard side &&
 	git rebase master &&
@@ -148,7 +148,7 @@ test_expect_success 'cherry-pick(U/U)' '
 
 	git config i18n.commitencoding UTF-8 &&
 	git config i18n.logoutputencoding UTF-8 &&
-	. "$TEST_DIRECTORY"/t3901-utf8.txt &&
+	. "$TEST_DIRECTORY"/t3901/utf8.txt &&
 
 	git reset --hard master &&
 	git cherry-pick side^ &&
@@ -163,7 +163,7 @@ test_expect_success !MINGW 'cherry-pick(L/L)' '
 
 	git config i18n.commitencoding ISO8859-1 &&
 	git config i18n.logoutputencoding ISO8859-1 &&
-	. "$TEST_DIRECTORY"/t3901-8859-1.txt &&
+	. "$TEST_DIRECTORY"/t3901/8859-1.txt &&
 
 	git reset --hard master &&
 	git cherry-pick side^ &&
@@ -178,7 +178,7 @@ test_expect_success 'cherry-pick(U/L)' '
 
 	git config i18n.commitencoding UTF-8 &&
 	git config i18n.logoutputencoding ISO8859-1 &&
-	. "$TEST_DIRECTORY"/t3901-utf8.txt &&
+	. "$TEST_DIRECTORY"/t3901/utf8.txt &&
 
 	git reset --hard master &&
 	git cherry-pick side^ &&
@@ -194,7 +194,7 @@ test_expect_success !MINGW 'cherry-pick(L/U)' '
 
 	git config i18n.commitencoding ISO8859-1 &&
 	git config i18n.logoutputencoding UTF-8 &&
-	. "$TEST_DIRECTORY"/t3901-8859-1.txt &&
+	. "$TEST_DIRECTORY"/t3901/8859-1.txt &&
 
 	git reset --hard master &&
 	git cherry-pick side^ &&
@@ -207,7 +207,7 @@ test_expect_success !MINGW 'cherry-pick(L/U)' '
 test_expect_success 'rebase --merge (U/U)' '
 	git config i18n.commitencoding UTF-8 &&
 	git config i18n.logoutputencoding UTF-8 &&
-	. "$TEST_DIRECTORY"/t3901-utf8.txt &&
+	. "$TEST_DIRECTORY"/t3901/utf8.txt &&
 
 	git reset --hard side &&
 	git rebase --merge master &&
@@ -218,7 +218,7 @@ test_expect_success 'rebase --merge (U/U)' '
 test_expect_success 'rebase --merge (U/L)' '
 	git config i18n.commitencoding UTF-8 &&
 	git config i18n.logoutputencoding ISO8859-1 &&
-	. "$TEST_DIRECTORY"/t3901-utf8.txt &&
+	. "$TEST_DIRECTORY"/t3901/utf8.txt &&
 
 	git reset --hard side &&
 	git rebase --merge master &&
@@ -230,7 +230,7 @@ test_expect_success 'rebase --merge (L/L)' '
 	# In this test we want ISO-8859-1 encoded commits as the result
 	git config i18n.commitencoding ISO8859-1 &&
 	git config i18n.logoutputencoding ISO8859-1 &&
-	. "$TEST_DIRECTORY"/t3901-8859-1.txt &&
+	. "$TEST_DIRECTORY"/t3901/8859-1.txt &&
 
 	git reset --hard side &&
 	git rebase --merge master &&
@@ -243,7 +243,7 @@ test_expect_success 'rebase --merge (L/U)' '
 	# to get ISO-8859-1 results.
 	git config i18n.commitencoding ISO8859-1 &&
 	git config i18n.logoutputencoding UTF-8 &&
-	. "$TEST_DIRECTORY"/t3901-8859-1.txt &&
+	. "$TEST_DIRECTORY"/t3901/8859-1.txt &&
 
 	git reset --hard side &&
 	git rebase --merge master &&
@@ -254,7 +254,7 @@ test_expect_success 'rebase --merge (L/U)' '
 test_expect_success 'am (U/U)' '
 	# Apply UTF-8 patches with UTF-8 commitencoding
 	git config i18n.commitencoding UTF-8 &&
-	. "$TEST_DIRECTORY"/t3901-utf8.txt &&
+	. "$TEST_DIRECTORY"/t3901/utf8.txt &&
 
 	git reset --hard master &&
 	git am out-u1 out-u2 &&
@@ -265,7 +265,7 @@ test_expect_success 'am (U/U)' '
 test_expect_success !MINGW 'am (L/L)' '
 	# Apply ISO-8859-1 patches with ISO-8859-1 commitencoding
 	git config i18n.commitencoding ISO8859-1 &&
-	. "$TEST_DIRECTORY"/t3901-8859-1.txt &&
+	. "$TEST_DIRECTORY"/t3901/8859-1.txt &&
 
 	git reset --hard master &&
 	git am out-l1 out-l2 &&
@@ -276,7 +276,7 @@ test_expect_success !MINGW 'am (L/L)' '
 test_expect_success 'am (U/L)' '
 	# Apply ISO-8859-1 patches with UTF-8 commitencoding
 	git config i18n.commitencoding UTF-8 &&
-	. "$TEST_DIRECTORY"/t3901-utf8.txt &&
+	. "$TEST_DIRECTORY"/t3901/utf8.txt &&
 	git reset --hard master &&
 
 	# am specifies --utf8 by default.
@@ -288,7 +288,7 @@ test_expect_success 'am (U/L)' '
 test_expect_success 'am --no-utf8 (U/L)' '
 	# Apply ISO-8859-1 patches with UTF-8 commitencoding
 	git config i18n.commitencoding UTF-8 &&
-	. "$TEST_DIRECTORY"/t3901-utf8.txt &&
+	. "$TEST_DIRECTORY"/t3901/utf8.txt &&
 
 	git reset --hard master &&
 	git am --no-utf8 out-l1 out-l2 2>err &&
@@ -303,7 +303,7 @@ test_expect_success 'am --no-utf8 (U/L)' '
 test_expect_success !MINGW 'am (L/U)' '
 	# Apply UTF-8 patches with ISO-8859-1 commitencoding
 	git config i18n.commitencoding ISO8859-1 &&
-	. "$TEST_DIRECTORY"/t3901-8859-1.txt &&
+	. "$TEST_DIRECTORY"/t3901/8859-1.txt &&
 
 	git reset --hard master &&
 	# mailinfo will re-code the commit message to the charset specified by
diff --git a/t/t3901-8859-1.txt b/t/t3901/8859-1.txt
similarity index 100%
rename from t/t3901-8859-1.txt
rename to t/t3901/8859-1.txt
diff --git a/t/t3901-utf8.txt b/t/t3901/utf8.txt
similarity index 100%
rename from t/t3901-utf8.txt
rename to t/t3901/utf8.txt
diff --git a/t/t9350-fast-export.sh b/t/t9350-fast-export.sh
index b5149fde6e..8dcb05c4a5 100755
--- a/t/t9350-fast-export.sh
+++ b/t/t9350-fast-export.sh
@@ -70,7 +70,7 @@ test_expect_success 'iso-8859-1' '
 
 	git config i18n.commitencoding ISO8859-1 &&
 	# use author and committer name in ISO-8859-1 to match it.
-	. "$TEST_DIRECTORY"/t3901-8859-1.txt &&
+	. "$TEST_DIRECTORY"/t3901/8859-1.txt &&
 	test_tick &&
 	echo rosten >file &&
 	git commit -s -m den file &&
diff --git a/t/t9500-gitweb-standalone-no-errors.sh b/t/t9500-gitweb-standalone-no-errors.sh
index 6d06ed96cb..cc8d463e01 100755
--- a/t/t9500-gitweb-standalone-no-errors.sh
+++ b/t/t9500-gitweb-standalone-no-errors.sh
@@ -519,7 +519,7 @@ test_expect_success \
 
 test_expect_success \
 	'encode(commit): utf8' \
-	'. "$TEST_DIRECTORY"/t3901-utf8.txt &&
+	'. "$TEST_DIRECTORY"/t3901/utf8.txt &&
 	 test_when_finished "GIT_AUTHOR_NAME=\"A U Thor\"" &&
 	 test_when_finished "GIT_COMMITTER_NAME=\"C O Mitter\"" &&
 	 echo "UTF-8" >> file &&
@@ -529,7 +529,7 @@ test_expect_success \
 
 test_expect_success \
 	'encode(commit): iso-8859-1' \
-	'. "$TEST_DIRECTORY"/t3901-8859-1.txt &&
+	'. "$TEST_DIRECTORY"/t3901/8859-1.txt &&
 	 test_when_finished "GIT_AUTHOR_NAME=\"A U Thor\"" &&
 	 test_when_finished "GIT_COMMITTER_NAME=\"C O Mitter\"" &&
 	 echo "ISO-8859-1" >> file &&