diff --git a/marc_tools/tests/test_marc_extractor.py b/marc_tools/tests/test_marc_extractor.py
index 20a2c4917bfc465c05312901cd3718dd5f33b76d..700ab5841d5118b4448295f7ce0969ed453efce6 100644
--- a/marc_tools/tests/test_marc_extractor.py
+++ b/marc_tools/tests/test_marc_extractor.py
@@ -1,5 +1,5 @@
 import pytest
-import marc_extractor
+import marc_tools.marc_extractor as marc_extractor
 
 
 class TestConstructSingleCommand:
diff --git a/sru/tests/error.xml b/sru/tests/error.xml
new file mode 100644
index 0000000000000000000000000000000000000000..b86a99a71ef86dc0ebf887b3f46b3a757a51081a
--- /dev/null
+++ b/sru/tests/error.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?><searchRetrieveResponse xmlns="http://www.loc.gov/zing/srw/" xmlns:diag="http://www.loc.gov/zing/srw/diagnostic/">
+  <version>1.2</version>
+  <diagnostics>
+    <diag:diagnostic>
+      <diag:uri>200801</diag:uri>
+      <diag:message>Catalog search has encountered an error</diag:message>
+    </diag:diagnostic>
+  </diagnostics>
+</searchRetrieveResponse>
\ No newline at end of file
diff --git a/sru/tests/test_almasru.py b/sru/tests/test_almasru.py
new file mode 100644
index 0000000000000000000000000000000000000000..63b7dd9e56cc5c4cc677b3147926a71620bbd5c0
--- /dev/null
+++ b/sru/tests/test_almasru.py
@@ -0,0 +1,12 @@
+import pytest
+import sru.almasru as almasru
+
+retriever = almasru.RecordRetriever('obv-at-oenb', '43ACC_ONB', 'marcxml')
+
+
+class TestRecordRetriever:
+
+    def test_erroneous_xml(self):
+        with pytest.raises(almasru.SruException):
+            retriever.by_mms_id('MMS-ID')
+