diff --git a/pkg/library/flatten/testdata/general/fail-nicely-when-no-http-client-provided_id.yaml b/pkg/library/flatten/testdata/general/fail-nicely-when-no-http-client-provided_id.yaml
index f65b04282..cc88ffc17 100644
--- a/pkg/library/flatten/testdata/general/fail-nicely-when-no-http-client-provided_id.yaml
+++ b/pkg/library/flatten/testdata/general/fail-nicely-when-no-http-client-provided_id.yaml
@@ -8,4 +8,4 @@ input:
           id: test/plugin
 
 output:
-  errRegexp: "cannot resolve resources by id: no HTTP client provided"
\ No newline at end of file
+  errRegexp: "cannot resolve resources by id: no HTTP client provided"
diff --git a/pkg/library/flatten/testdata/general/fail-nicely-when-no-http-client-provided_uri.yaml b/pkg/library/flatten/testdata/general/fail-nicely-when-no-http-client-provided_uri.yaml
index ce243305d..ebb37d7b7 100644
--- a/pkg/library/flatten/testdata/general/fail-nicely-when-no-http-client-provided_uri.yaml
+++ b/pkg/library/flatten/testdata/general/fail-nicely-when-no-http-client-provided_uri.yaml
@@ -8,4 +8,4 @@ input:
           uri: https://test-repo.io/my-plugino
 
 output:
-  errRegexp: "cannot resolve resources by URI: no HTTP client provided"
\ No newline at end of file
+  errRegexp: "cannot resolve resources by URI: no HTTP client provided"
diff --git a/pkg/library/flatten/testdata/general/fail-nicely-when-no-k8s-client-provided.yaml b/pkg/library/flatten/testdata/general/fail-nicely-when-no-k8s-client-provided.yaml
index d97adde81..561728974 100644
--- a/pkg/library/flatten/testdata/general/fail-nicely-when-no-k8s-client-provided.yaml
+++ b/pkg/library/flatten/testdata/general/fail-nicely-when-no-k8s-client-provided.yaml
@@ -10,4 +10,4 @@ input:
             namespace: test-ns
 
 output:
-  errRegexp: "cannot resolve resources by kubernetes reference: no kubernetes client provided"
\ No newline at end of file
+  errRegexp: "cannot resolve resources by kubernetes reference: no kubernetes client provided"
diff --git a/pkg/library/flatten/testdata/general/fail-nicely-when-no-namespace.yaml b/pkg/library/flatten/testdata/general/fail-nicely-when-no-namespace.yaml
index d1d2fbab3..d0867c002 100644
--- a/pkg/library/flatten/testdata/general/fail-nicely-when-no-namespace.yaml
+++ b/pkg/library/flatten/testdata/general/fail-nicely-when-no-namespace.yaml
@@ -9,4 +9,4 @@ input:
             name: test-plugin-a
 
 output:
-  errRegexp: "specifies a kubernetes reference without namespace and a default is not provided"
\ No newline at end of file
+  errRegexp: "specifies a kubernetes reference without namespace and a default is not provided"
diff --git a/pkg/library/flatten/testdata/general/fail-nicely-when-no-registry-url.yaml b/pkg/library/flatten/testdata/general/fail-nicely-when-no-registry-url.yaml
index 665a35fb5..e4485febb 100644
--- a/pkg/library/flatten/testdata/general/fail-nicely-when-no-registry-url.yaml
+++ b/pkg/library/flatten/testdata/general/fail-nicely-when-no-registry-url.yaml
@@ -8,4 +8,4 @@ input:
           id: test/plugin
 
 output:
-  errRegexp: "plugin test-plugin does not specify a registryUrl and no internal registry is configured"
\ No newline at end of file
+  errRegexp: "plugin test-plugin does not specify a registryUrl and no internal registry is configured"