diff --git a/.gitignore b/.gitignore
index 187e2cc..908dc9f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -108,6 +108,5 @@ venv.bak/
 docsrc/_build
 
 # Extra stuff
-*.fa
 .DS_Store
 
diff --git a/tests/test_files/test_alignment_1.fa b/tests/test_files/test_alignment_1.fa
new file mode 100644
index 0000000..0e14c7c
--- /dev/null
+++ b/tests/test_files/test_alignment_1.fa
@@ -0,0 +1,8 @@
+> TAXON_1
+AAGCT
+> TAXON_2
+TTAGC
+> TAXON_3
+CCTAG
+> TAXON_4
+GGCTA