Java: Add some unit tests for sourceModelKindConfig.

java/ql/test/library-tests/dataflow/threat-models/Empty.java

@@ -0,0 +1 @@
+class Empty { }

java/ql/test/library-tests/dataflow/threat-models/threat-models1.expected

@@ -0,0 +1,5 @@
+| default |
+| remote |
+| request |
+| response |
+| uri-path |

java/ql/test/library-tests/dataflow/threat-models/threat-models1.ql

@@ -0,0 +1,5 @@
+import semmle.code.java.dataflow.ExternalFlowConfiguration as ExternalFlowConfiguration
+
+query predicate supportedThreatModels(string kind) {
+  ExternalFlowConfiguration::sourceModelKindConfig(kind)
+}

java/ql/test/library-tests/dataflow/threat-models/threat-models2.expected

@@ -0,0 +1,10 @@
+| cli |
+| database |
+| default |
+| environment |
+| file |
+| local |
+| remote |
+| request |
+| response |
+| uri-path |

java/ql/test/library-tests/dataflow/threat-models/threat-models2.ext.yml

@@ -0,0 +1,8 @@
+extensions:
+extensions:
+
+  - addsTo:
+      pack: codeql/java-all
+      extensible: supportedThreatModels
+    data:
+      - ["local"] # Add the "local" group threat model.

java/ql/test/library-tests/dataflow/threat-models/threat-models2.ql

@@ -0,0 +1,5 @@
+import semmle.code.java.dataflow.ExternalFlowConfiguration as ExternalFlowConfiguration
+
+query predicate supportedThreatModels(string kind) {
+  ExternalFlowConfiguration::sourceModelKindConfig(kind)
+}