diff --git a/tests-clar/revwalk/mergebase.c b/tests-clar/revwalk/mergebase.c
index e807e3ad2..54ddeaf72 100644
--- a/tests-clar/revwalk/mergebase.c
+++ b/tests-clar/revwalk/mergebase.c
@@ -16,9 +16,9 @@ void test_revwalk_mergebase__single1(void)
 {
 	git_oid result, one, two, expected;
 
-	git_oid_fromstr(&one, "c47800c7266a2be04c571c04d5a6614691ea99bd ");
-	git_oid_fromstr(&two, "9fd738e8f7967c078dceed8190330fc8648ee56a");
-	git_oid_fromstr(&expected, "5b5b025afb0b4c913b4c338a42934a3863bf3644");
+	cl_git_pass(git_oid_fromstr(&one, "c47800c7266a2be04c571c04d5a6614691ea99bd "));
+	cl_git_pass(git_oid_fromstr(&two, "9fd738e8f7967c078dceed8190330fc8648ee56a"));
+	cl_git_pass(git_oid_fromstr(&expected, "5b5b025afb0b4c913b4c338a42934a3863bf3644"));
 
 	cl_git_pass(git_merge_base(&result, _repo, &one, &two));
 	cl_assert(git_oid_cmp(&result, &expected) == 0);
@@ -28,9 +28,9 @@ void test_revwalk_mergebase__single2(void)
 {
 	git_oid result, one, two, expected;
 
-	git_oid_fromstr(&one, "763d71aadf09a7951596c9746c024e7eece7c7af");
-	git_oid_fromstr(&two, "a65fedf39aefe402d3bb6e24df4d4f5fe4547750");
-	git_oid_fromstr(&expected, "c47800c7266a2be04c571c04d5a6614691ea99bd");
+	cl_git_pass(git_oid_fromstr(&one, "763d71aadf09a7951596c9746c024e7eece7c7af"));
+	cl_git_pass(git_oid_fromstr(&two, "a65fedf39aefe402d3bb6e24df4d4f5fe4547750"));
+	cl_git_pass(git_oid_fromstr(&expected, "c47800c7266a2be04c571c04d5a6614691ea99bd"));
 
 	cl_git_pass(git_merge_base(&result, _repo, &one, &two));
 	cl_assert(git_oid_cmp(&result, &expected) == 0);
@@ -40,9 +40,9 @@ void test_revwalk_mergebase__merged_branch(void)
 {
 	git_oid result, one, two, expected;
 
-	git_oid_fromstr(&one, "a65fedf39aefe402d3bb6e24df4d4f5fe4547750");
-	git_oid_fromstr(&two, "9fd738e8f7967c078dceed8190330fc8648ee56a");
-	git_oid_fromstr(&expected, "9fd738e8f7967c078dceed8190330fc8648ee56a");
+	cl_git_pass(git_oid_fromstr(&one, "a65fedf39aefe402d3bb6e24df4d4f5fe4547750"));
+	cl_git_pass(git_oid_fromstr(&two, "9fd738e8f7967c078dceed8190330fc8648ee56a"));
+	cl_git_pass(git_oid_fromstr(&expected, "9fd738e8f7967c078dceed8190330fc8648ee56a"));
 
 	cl_git_pass(git_merge_base(&result, _repo, &one, &two));
 	cl_assert(git_oid_cmp(&result, &expected) == 0);
@@ -53,12 +53,11 @@ void test_revwalk_mergebase__merged_branch(void)
 
 void test_revwalk_mergebase__no_common_ancestor_returns_ENOTFOUND(void)
 {
-	git_oid result, one, two, expected;
+	git_oid result, one, two;
 	int error;
 
-	git_oid_fromstr(&one, "763d71aadf09a7951596c9746c024e7eece7c7af");
-	git_oid_fromstr(&two, "e90810b8df3e80c413d903f631643c716887138d");
-	git_oid_fromstr(&expected, "c47800c7266a2be04c571c04d5a6614691ea99bd");
+	cl_git_pass(git_oid_fromstr(&one, "763d71aadf09a7951596c9746c024e7eece7c7af"));
+	cl_git_pass(git_oid_fromstr(&two, "e90810b8df3e80c413d903f631643c716887138d"));
 
 	error = git_merge_base(&result, _repo, &one, &two);
 	cl_git_fail(error);