Remove unexpected blank lines

golangci-lint linter: whitespace

Signed-off-by: Miloslav Trmač <mitr@redhat.com>

docker/reference/normalize_test.go

@@ -258,7 +258,6 @@ func TestParseRepositoryInfo(t *testing.T) {
 			if expected, actual := tcase.RemoteName, Path(r); expected != actual {
 				t.Fatalf("Invalid remoteName for %q. Expected %q, got %q", r, expected, actual)
 			}
-
 		}
 	}
 }

docker/reference/reference_test.go

@@ -231,7 +231,6 @@ func TestReferenceParse(t *testing.T) {
 		} else if ok {
 			failf("unexpected digested type")
 		}
-
 	}
 }
 
@@ -462,7 +461,6 @@ func TestSerialization(t *testing.T) {
 		if _, ok := fieldInterface.(Reference); ok {
 			failf("field should not implement Reference interface")
 		}
-
 	}
 }
 

pkg/docker/config/config_test.go

@@ -751,7 +751,6 @@ func TestRemoveAuthentication(t *testing.T) {
 			},
 		},
 	} {
-
 		content, err := json.Marshal(&tc.config)
 		require.NoError(t, err)
 
@@ -857,7 +856,6 @@ func TestSetGetCredentials(t *testing.T) {
 			useLegacyFormat: true,
 		},
 	} {
-
 		// Create a new empty SystemContext referring an empty auth.json
 		tmpFile, err := os.CreateTemp("", "auth.json-")
 		require.NoError(t, err)