1diff --git a/tests/basic-test.sh b/tests/basic-test.sh
2index c8f853f8..a58ad3de 100644
3--- a/tests/basic-test.sh
4+++ b/tests/basic-test.sh
5@@ -242,7 +242,7 @@ cd ${test_tmpdir}
6 if $OSTREE commit ${COMMIT_ARGS} -b test-bootable --bootable $test_tmpdir/checkout-test2-4 2>err.txt; then
7 fatal "committed non-bootable tree"
8 fi
9-assert_file_has_content err.txt "error: .*No such file or directory"
10+assert_file_has_content err.txt "error:.*No such file or directory"
11 echo "ok commit fails bootable if no kernel"
12
13 cd ${test_tmpdir}
14diff --git a/tests/pull-test.sh b/tests/pull-test.sh
15index d61735a0..9e751d82 100644
16--- a/tests/pull-test.sh
17+++ b/tests/pull-test.sh
18@@ -297,7 +297,7 @@ ostree_repo_init mirrorrepo-local --mode=archive
19 if ${CMD_PREFIX} ostree --repo=mirrorrepo-local pull-local otherrepo 2>err.txt; then
20 fatal "pull with mixed refs succeeded?"
21 fi
22-assert_file_has_content err.txt "error: Invalid ref name origin:main"
23+assert_file_has_content err.txt "Invalid ref name origin:main"
24 ${CMD_PREFIX} ostree --repo=mirrorrepo-local pull-local otherrepo localbranch
25 ${CMD_PREFIX} ostree --repo=mirrorrepo-local rev-parse localbranch
26 ${CMD_PREFIX} ostree --repo=mirrorrepo-local fsck
27@@ -308,7 +308,7 @@ if ${CMD_PREFIX} ostree --repo=mirrorrepo-local pull-local otherrepo nosuchbranc
28 fatal "pulled nonexistent branch"
29 fi
30 # So true
31-assert_file_has_content_literal err.txt "error: Refspec 'nosuchbranch' not found"
32+assert_file_has_content_literal err.txt "Refspec 'nosuchbranch' not found"
33 echo "ok pull-local nonexistent branch"
34
35 cd ${test_tmpdir}
36@@ -687,5 +687,5 @@ rm ostree-srv/gnomerepo/summary
37 if ${CMD_PREFIX} ostree --repo=repo pull origin main 2>err.txt; then
38 fatal "pull of invalid ref succeeded"
39 fi
40-assert_file_has_content_literal err.txt 'error: Fetching checksum for ref ((empty), main): Invalid rev lots of html here lots of html here lots of html here lots of'
41+assert_file_has_content_literal err.txt 'Fetching checksum for ref ((empty), main): Invalid rev lots of html here lots of html here lots of html here lots of'
42 echo "ok pull got HTML for a ref"
43diff --git a/tests/test-config.sh b/tests/test-config.sh
44index 2d9aaf53..f1e28614 100755
45--- a/tests/test-config.sh
46+++ b/tests/test-config.sh
47@@ -44,7 +44,7 @@ assert_file_has_content list.txt "http://example\.com/ostree/repo/"
48 if ${CMD_PREFIX} ostree config --repo=repo get --group=core lock-timeout-secs extra 2>err.txt; then
49 assert_not_reached "ostree config get should error out if too many arguments are given"
50 fi
51-assert_file_has_content err.txt "error: Too many arguments given"
52+assert_file_has_content err.txt "Too many arguments given"
53 echo "ok config get"
54
55 ${CMD_PREFIX} ostree config --repo=repo set core.mode bare-user-only
56@@ -61,7 +61,7 @@ assert_file_has_content repo/config "http://example\.com/ostree/"
57 if ${CMD_PREFIX} ostree config --repo=repo set --group=core lock-timeout-secs 120 extra 2>err.txt; then
58 assert_not_reached "ostree config set should error out if too many arguments are given"
59 fi
60-assert_file_has_content err.txt "error: Too many arguments given"
61+assert_file_has_content err.txt "Too many arguments given"
62 echo "ok config set"
63
64 # Check that using `--` works and that "ostree config unset" works
65@@ -78,7 +78,7 @@ if ${CMD_PREFIX} ostree config --repo=repo get core.lock-timeout-secs 2>err.txt;
66 fi
67 # Check for any character where quotation marks would be as they appear differently in the Fedora and Debian
68 # test suites (“” and '' respectively). See: https://github.com/ostreedev/ostree/pull/1839
69-assert_file_has_content err.txt "error: Key file does not have key .lock-timeout-secs. in group .core."
70+assert_file_has_content err.txt "Key file does not have key .lock-timeout-secs. in group .core."
71
72 # Check that it's idempotent
73 ${CMD_PREFIX} ostree config --repo=repo unset core.lock-timeout-secs
74@@ -95,5 +95,5 @@ ${CMD_PREFIX} ostree config --repo=repo unset --group='remote "aoeuhtns"' 'xa.ti
75 if ${CMD_PREFIX} ostree config --repo=repo unset core.lock-timeout-secs extra 2>err.txt; then
76 assert_not_reached "ostree config unset should error out if too many arguments are given"
77 fi
78-assert_file_has_content err.txt "error: Too many arguments given"
79+assert_file_has_content err.txt "Too many arguments given"
80 echo "ok config unset"
81diff --git a/tests/test-fsck-collections.sh b/tests/test-fsck-collections.sh
82index 3dbcdd23..d6359979 100755
83--- a/tests/test-fsck-collections.sh
84+++ b/tests/test-fsck-collections.sh
85@@ -98,7 +98,7 @@ ${CMD_PREFIX} ostree fsck --repo=repo
86 if ${CMD_PREFIX} ostree fsck --repo=repo --verify-bindings > fsck 2> fsck-error; then
87 assert_not_reached "fsck unexpectedly succeeded after adding unbound ref!"
88 fi
89-assert_file_has_content fsck-error "Commit has no requested ref ‘new-ref’ in ref binding metadata (‘ref1’)"
90+assert_file_has_content fsck-error "Commit has no requested ref .new-ref. in ref binding metadata (.ref1.)"
91 assert_file_has_content fsck "^Validating refs\.\.\.$"
92
93 echo "ok 3 fsck detects missing ref bindings"
94@@ -111,7 +111,7 @@ ${CMD_PREFIX} ostree --repo=repo refs --collections --create=org.example.Collect
95 if ${CMD_PREFIX} ostree fsck --repo=repo --verify-bindings > fsck 2> fsck-error; then
96 assert_not_reached "fsck unexpectedly succeeded after adding unbound ref!"
97 fi
98-assert_file_has_content fsck-error "Commit has no requested ref ‘new-ref’ in ref binding metadata (‘ref1’)"
99+assert_file_has_content fsck-error "Commit has no requested ref .new-ref. in ref binding metadata (.ref1.)"
100 assert_file_has_content fsck "^Validating refs\.\.\.$"
101 assert_file_has_content fsck "^Validating refs in collections\.\.\.$"
102
103@@ -125,7 +125,7 @@ ${CMD_PREFIX} ostree --repo=repo refs --collections --create=org.example.Collect
104 if ${CMD_PREFIX} ostree fsck --repo=repo --verify-bindings > fsck 2> fsck-error; then
105 assert_not_reached "fsck unexpectedly succeeded after adding unbound ref!"
106 fi
107-assert_file_has_content fsck-error "Commit has collection ID ‘org\.example\.Collection’ in collection binding metadata, while the remote it came from has collection ID ‘org\.example\.Collection2’"
108+assert_file_has_content fsck-error "Commit has collection ID .org\.example\.Collection. in collection binding metadata, while the remote it came from has collection ID .org\.example\.Collection2."
109 assert_file_has_content fsck "^Validating refs\.\.\.$"
110 assert_file_has_content fsck "^Validating refs in collections\.\.\.$"
111
112@@ -145,7 +145,7 @@ echo "ok 6 fsck ignores unreferenced ref bindings"
113 if ${CMD_PREFIX} ostree fsck --repo=repo --verify-back-refs > fsck 2> fsck-error; then
114 assert_not_reached "fsck unexpectedly succeeded after adding unbound ref!"
115 fi
116-assert_file_has_content fsck-error "Collection–ref (org\.example\.Collection, ref1) in bindings for commit .* does not exist"
117+assert_file_has_content fsck-error 'Collection.ref (org\.example\.Collection, ref1) in bindings for commit .* does not exist'
118 assert_file_has_content fsck "^Validating refs\.\.\.$"
119 assert_file_has_content fsck "^Validating refs in collections\.\.\.$"
120
121@@ -184,7 +184,7 @@ ${CMD_PREFIX} ostree --repo=repo refs --create=new-ref $(cat ref3-checksum)
122 if ${CMD_PREFIX} ostree fsck --repo=repo --verify-bindings > fsck 2> fsck-error; then
123 assert_not_reached "fsck unexpectedly succeeded after adding unbound ref!"
124 fi
125-assert_file_has_content fsck-error "Commit has no requested ref ‘new-ref’ in ref binding metadata (‘ref3’, ‘ref4’)"
126+assert_file_has_content fsck-error "Commit has no requested ref .new-ref. in ref binding metadata (.ref3., .ref4.)"
127 assert_file_has_content fsck "^Validating refs\.\.\.$"
128
129 echo "ok 9 fsck detects missing ref bindings"
130@@ -203,7 +203,7 @@ echo "ok 10 fsck ignores unreferenced ref bindings"
131 if ${CMD_PREFIX} ostree fsck --repo=repo --verify-back-refs > fsck 2> fsck-error; then
132 assert_not_reached "fsck unexpectedly succeeded after adding unbound ref!"
133 fi
134-assert_file_has_content fsck-error "Ref ‘ref3’ in bindings for commit .* does not exist"
135+assert_file_has_content fsck-error 'Ref .ref3. in bindings for commit .* does not exist'
136 assert_file_has_content fsck "^Validating refs\.\.\.$"
137
138 echo "ok 11 fsck ignores unreferenced ref bindings"
139diff --git a/tests/test-remote-add.sh b/tests/test-remote-add.sh
140index 2f5ea634..0f63853c 100755
141--- a/tests/test-remote-add.sh
142+++ b/tests/test-remote-add.sh
143@@ -81,7 +81,7 @@ echo "ok remote delete"
144 if $OSTREE remote delete nosuchremote 2>err.txt; then
145 assert_not_reached "Deleting remote unexpectedly succeeded"
146 fi
147-assert_file_has_content err.txt "error: "
148+assert_file_has_content err.txt "not found"
149
150 $OSTREE remote delete --if-exists nosuchremote
151 echo "ok"