diff --git a/t/t1005-read-tree-reset.sh b/t/t1005-read-tree-reset.sh
index 12e30d77d0..26be4a2b5a 100755
--- a/t/t1005-read-tree-reset.sh
+++ b/t/t1005-read-tree-reset.sh
@@ -41,7 +41,8 @@ test_expect_success 'reset should remove remnants from a failed merge' '
 	git ls-files -s &&
 	read_tree_u_must_succeed --reset -u HEAD &&
 	git ls-files -s >actual &&
-	! test -f old
+	! test -f old &&
+	test_cmp expect actual
 '
 
 test_expect_success 'two-way reset should remove remnants too' '
@@ -56,7 +57,8 @@ test_expect_success 'two-way reset should remove remnants too' '
 	git ls-files -s &&
 	read_tree_u_must_succeed --reset -u HEAD HEAD &&
 	git ls-files -s >actual &&
-	! test -f old
+	! test -f old &&
+	test_cmp expect actual
 '
 
 test_expect_success 'Porcelain reset should remove remnants too' '
@@ -71,7 +73,8 @@ test_expect_success 'Porcelain reset should remove remnants too' '
 	git ls-files -s &&
 	git reset --hard &&
 	git ls-files -s >actual &&
-	! test -f old
+	! test -f old &&
+	test_cmp expect actual
 '
 
 test_expect_success 'Porcelain checkout -f should remove remnants too' '
@@ -86,7 +89,8 @@ test_expect_success 'Porcelain checkout -f should remove remnants too' '
 	git ls-files -s &&
 	git checkout -f &&
 	git ls-files -s >actual &&
-	! test -f old
+	! test -f old &&
+	test_cmp expect actual
 '
 
 test_expect_success 'Porcelain checkout -f HEAD should remove remnants too' '
@@ -101,7 +105,8 @@ test_expect_success 'Porcelain checkout -f HEAD should remove remnants too' '
 	git ls-files -s &&
 	git checkout -f HEAD &&
 	git ls-files -s >actual &&
-	! test -f old
+	! test -f old &&
+	test_cmp expect actual
 '
 
 test_done
diff --git a/t/t1006-cat-file.sh b/t/t1006-cat-file.sh
index 2d875b17d8..8eac74b59c 100755
--- a/t/t1006-cat-file.sh
+++ b/t/t1006-cat-file.sh
@@ -603,7 +603,8 @@ do
 			fatal: Not a valid object name $(test_oid deadbeef_short)
 			EOF
 			test_must_fail git cat-file $arg1 $arg2 $(test_oid deadbeef_short) >out 2>err.actual &&
-			test_must_be_empty out
+			test_must_be_empty out &&
+			test_cmp expect.err err.actual
 		'
 
 		test_expect_success "cat-file $arg1 $arg2 error on missing full OID" '
diff --git a/t/t1010-mktree.sh b/t/t1010-mktree.sh
index 3c08194526..22875ba598 100755
--- a/t/t1010-mktree.sh
+++ b/t/t1010-mktree.sh
@@ -60,11 +60,11 @@ test_expect_success 'allow missing object with --missing' '
 '
 
 test_expect_success 'mktree refuses to read ls-tree -r output (1)' '
-	test_must_fail git mktree <all >actual
+	test_must_fail git mktree <all
 '
 
 test_expect_success 'mktree refuses to read ls-tree -r output (2)' '
-	test_must_fail git mktree <all.withsub >actual
+	test_must_fail git mktree <all.withsub
 '
 
 test_done
diff --git a/t/t1302-repo-version.sh b/t/t1302-repo-version.sh
index 70389fa2eb..179474fa65 100755
--- a/t/t1302-repo-version.sh
+++ b/t/t1302-repo-version.sh
@@ -37,7 +37,7 @@ test_expect_success 'gitdir selection on normal repos' '
 
 test_expect_success 'gitdir selection on unsupported repo' '
 	# Make sure it would stop at test2, not trash
-	test_expect_code 1 git -C test2 config core.repositoryformatversion >actual
+	test_expect_code 1 git -C test2 config core.repositoryformatversion
 '
 
 test_expect_success 'gitdir not required mode' '
diff --git a/t/t1400-update-ref.sh b/t/t1400-update-ref.sh
index cf58cf025c..4d66cd7f4a 100755
--- a/t/t1400-update-ref.sh
+++ b/t/t1400-update-ref.sh
@@ -1568,6 +1568,7 @@ test_expect_success 'transaction can create and delete' '
 	EOF
 	git update-ref --stdin <stdin >actual &&
 	printf "%s: ok\n" start commit start commit >expect &&
+	test_cmp expect actual &&
 	test_must_fail git show-ref --verify refs/heads/create-and-delete
 '
 
@@ -1595,6 +1596,8 @@ test_expect_success 'transaction cannot restart ongoing transaction' '
 	commit
 	EOF
 	test_must_fail git update-ref --stdin <stdin >actual &&
+	printf "%s: ok\n" start >expect &&
+	test_cmp expect actual &&
 	test_must_fail git show-ref --verify refs/heads/restart
 '
 
diff --git a/t/t1404-update-ref-errors.sh b/t/t1404-update-ref-errors.sh
index b5606d93b5..937ae0d733 100755
--- a/t/t1404-update-ref-errors.sh
+++ b/t/t1404-update-ref-errors.sh
@@ -551,7 +551,6 @@ test_expect_success REFFILES 'no bogus intermediate values during delete' '
 	git update-ref $prefix/foo $C &&
 	git pack-refs --all &&
 	git update-ref $prefix/foo $D &&
-	git for-each-ref $prefix >unchanged &&
 	# Now try to update the reference, but hold the `packed-refs` lock
 	# for a while to see what happens while the process is blocked:
 	: >.git/packed-refs.lock &&
diff --git a/t/t1507-rev-parse-upstream.sh b/t/t1507-rev-parse-upstream.sh
index 549eb315a9..d94c72c672 100755
--- a/t/t1507-rev-parse-upstream.sh
+++ b/t/t1507-rev-parse-upstream.sh
@@ -263,7 +263,8 @@ test_expect_success '@{reflog}-parsing does not look beyond colon' '
 	git add @{yesterday} &&
 	git commit -m "funny reflog file" &&
 	git hash-object @{yesterday} >expect &&
-	git rev-parse HEAD:@{yesterday} >actual
+	git rev-parse HEAD:@{yesterday} >actual &&
+	test_cmp expect actual
 '
 
 test_expect_success '@{upstream}-parsing does not look beyond colon' '
@@ -271,7 +272,8 @@ test_expect_success '@{upstream}-parsing does not look beyond colon' '
 	git add @{upstream} &&
 	git commit -m "funny upstream file" &&
 	git hash-object @{upstream} >expect &&
-	git rev-parse HEAD:@{upstream} >actual
+	git rev-parse HEAD:@{upstream} >actual &&
+	test_cmp expect actual
 '
 
 test_done