test: be consistent about spelling `nonexistent'

Apparently most of the misspellings are my fault.

3 files changed, 3 insertions, 3 deletions

diff --git a/test/T360-symbol-hiding.sh b/test/T360-symbol-hiding.sh
index 8fc4bdf6..d2b5d1f5 100755
--- a/test/T360-symbol-hiding.sh
+++ b/test/T360-symbol-hiding.sh
@@ -16,7 +16,7 @@ run_test(){
 }
 
 output="A Xapian exception occurred opening database: Couldn't stat 'fakedb/.notmuch/xapian'
-caught No chert database found at path \`./nonexistant'"
+caught No chert database found at path \`./nonexistent'"
 
 mkdir -p fakedb/.notmuch
 
diff --git a/test/T560-lib-error.sh b/test/T560-lib-error.sh
index 828a44b7..6947aa83 100755
--- a/test/T560-lib-error.sh
+++ b/test/T560-lib-error.sh
@@ -202,7 +202,7 @@ test_begin_subtest "Xapian exception finding message"
 cat c_head - c_tail <<'EOF' | test_C ${MAIL_DIR}
    {
        notmuch_message_t *message = NULL;
-       stat = notmuch_database_find_message (db, "id:nonexistant", &message);
+       stat = notmuch_database_find_message (db, "id:nonexistent", &message);
    }
 EOF
 sed 's/^\(A Xapian exception [^:]*\):.*$/\1/' < OUTPUT > OUTPUT.clean
diff --git a/test/symbol-test.cc b/test/symbol-test.cc
index d979f832..f17ddc85 100644
--- a/test/symbol-test.cc
+++ b/test/symbol-test.cc
@@ -15,7 +15,7 @@ int main() {
       }
 
   try {
-    (void) new Xapian::WritableDatabase("./nonexistant", Xapian::DB_OPEN);
+    (void) new Xapian::WritableDatabase("./nonexistent", Xapian::DB_OPEN);
   } catch (const Xapian::Error &error) {
     printf("caught %s\n", error.get_msg().c_str());
     return 0;