Possible method to get model_str from test node

core/dbt/context/providers.py

@@ -1445,9 +1445,9 @@ class TestContext(ProviderContext):
                 if self.model.resource_type == NodeType.Test and self.model.file_key_name:  # type: ignore[union-attr] # noqa
                     source_file = self.manifest.files[self.model.file_id]
                     # TODO CT-211
-                    (yaml_key, name) = self.model.file_key_name.split(".")  # type: ignore[union-attr] # noqa
+                    name_parts = self.model.file_key_name.split(".")  # type: ignore[union-attr] # noqa
                     # TODO CT-211
-                    source_file.add_env_var(var, yaml_key, name)  # type: ignore[union-attr]
+                    source_file.add_env_var(var, name_parts[0], name_parts[1])  # type: ignore[union-attr]
             return return_value
         else:
             msg = f"Env var required but not provided: '{var}'"

core/dbt/contracts/graph/parsed.py

@@ -461,6 +461,17 @@ class ParsedGenericTestNode(ParsedNode, HasTestMetadata):
     def test_node_type(self):
         return "generic"
 
+    @property
+    def get_ref_str(self):
+        if not self.file_key_name:
+            return ""
+        name_parts = self.file_key_name.split(".")
+        if name_parts[0] == "sources":
+            target_str = f"source('{name_parts[1]}, {name_parts[2]})"
+        else:
+            target_str = f"ref('{name_parts[1]}')"
+        return f"{{{{ get_where_subquery({target_str}) }}}}"
+
 
 @dataclass
 class IntermediateSnapshotNode(ParsedNode):

core/dbt/parser/schemas.py

@@ -326,7 +326,7 @@ class SchemaParser(SimpleParser[GenericTestBlock, ParsedGenericTestNode]):
         tags = sorted(set(itertools.chain(tags, builder.tags())))
 
         if isinstance(target, UnpatchedSourceDefinition):
-            file_key_name = f"{target.source.yaml_key}.{target.source.name}"
+            file_key_name = f"{target.source.yaml_key}.{target.source.name}.{target.table.name}"
         else:
             file_key_name = f"{target.yaml_key}.{target.name}"