diff --git a/main.py b/main.py
index 672df30..bda5d83 100644
--- a/main.py
+++ b/main.py
@@ -407,7 +407,8 @@ def performEvaluation(issue_data) -> Result:
     result = run_specimin(issue_id ,specimin_command, specimin_path)   
     print(f"{result.name} - {result.status}")
 
-    if not ("bug_type" in issue_data and issue_data["bug_type"]):
+    if result.status.lower() == "fail":
+        result.set_preservation_status("Minimization did not succeed.")
         return result
 
     build_system = issue_data.get("build_system", "gradle")
diff --git a/resources/test_data.json b/resources/test_data.json
index f55d933..57e3c7d 100644
--- a/resources/test_data.json
+++ b/resources/test_data.json
@@ -228,8 +228,18 @@
         "cf_version": "1.9.11",
         "java_version": "8",
         "note": "java.util.stream -> com.example.stream",
-        "bug_type": "",
-        "checker_qual_required": false
+        "bug_type": "error",
+        "bug_pattern": {
+            "file_pattern": "Compilation unit: (.*)",
+            "error_pattern": "error: (Incomparable types)",
+            "exception_pattern": "Exception: (.+);",
+            "stack_trace_pattern": "Stack trace: (.+)"
+        },
+        "build_system": "shell",
+        "build_flags": ["-processor", "nullness", "-AprintErrorStack"],
+        "build_targets": "src/**/*.java",
+        "cf_release_url": "https://github.com/typetools/checker-framework/releases/download",
+        "checker_qual_required": true
     },
     {
         "issue_id" : "cf-3032",
@@ -250,7 +260,14 @@
         "cf_version": "3.1.0",
         "java_version": "11",
         "note": "",
-        "bug_type": "",
+        "bug_type": "error",
+        "bug_pattern": {
+            "file_pattern": "(\\w+\\.java)",
+            "error_pattern": "error: \\[(.+?)\\]",
+            "source_pattern": "(.via\\(.*\\)\\);)",
+            "found_pattern": "found   : (.*)",
+            "required_pattern": "required: (.*)"
+        },
         "checker_qual_required": false
     },
     {
@@ -390,7 +407,7 @@
             "exception_pattern": "Exception: (.+);",
             "stack_trace_pattern": "Stack trace: (.+)"
         },
-        "checker_qual_required": false,
+        "checker_qual_required": true,
         "build_system": "shell",
         "build_flags": ["-processor", "formatter", "-AprintErrorStack"],
         "build_targets": "src/**/*.java",