diff --git a/.gitignore b/.gitignore
index 5e224ae..6268128 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,7 +2,7 @@
 !.gitignore
 !.dockerignore
 !.github
-testdata/sandbox
+/testdata/sandbox
 examples/
 todo.txt
 /vendor
@@ -12,6 +12,7 @@
 /cmd/termmapper/termmapper
 *.yaml
 !/mappings/*.yaml
+!/testdata/*.yaml
 \#*
 *.tar
 !/cmd/termmapper/
diff --git a/testdata/example-config.yaml b/testdata/example-config.yaml
new file mode 100644
index 0000000..ac7fc0a
--- /dev/null
+++ b/testdata/example-config.yaml
@@ -0,0 +1,11 @@
+sdk: "https://korap.ids-mannheim.de/js/korap-plugin-latest.js"
+server: "https://korap.ids-mannheim.de/"
+lists:
+- id: main-config-mapper
+  foundryA: opennlp
+  layerA: p
+  foundryB: upos
+  layerB: p
+  mappings:
+    - "[NN] <> [NOUN]"
+    - "[NE] <> [PROPN]" 
\ No newline at end of file
diff --git a/testdata/example-mapper1.yaml b/testdata/example-mapper1.yaml
new file mode 100644
index 0000000..3775ad1
--- /dev/null
+++ b/testdata/example-mapper1.yaml
@@ -0,0 +1,9 @@
+id: example-mapper-1
+foundryA: opennlp
+layerA: p
+foundryB: upos
+layerB: p
+mappings:
+  - "[PIDAT] <> [DET & AdjType=Pdt]"
+  - "[PAV] <> [ADV & PronType=Dem]"
+  - "[ADJA] <> [ADJ]" 
\ No newline at end of file
diff --git a/testdata/example-mapper2.yaml b/testdata/example-mapper2.yaml
new file mode 100644
index 0000000..7ba2e94
--- /dev/null
+++ b/testdata/example-mapper2.yaml
@@ -0,0 +1,9 @@
+id: example-mapper-2
+foundryA: stts
+layerA: p
+foundryB: upos
+layerB: p
+mappings:
+  - "[DET] <> [PRON]"
+  - "[ADJ] <> [NOUN]"
+  - "[VFIN] <> [VERB & VerbForm=Fin]" 
\ No newline at end of file