improve coverage

pkg/base/header_test.go

@@ -138,6 +138,16 @@ func TestHeaderReadErrors(t *testing.T) {
 			[]byte{},
 			"EOF",
 		},
+		{
+			"missing value",
+			[]byte("Testing:"),
+			"EOF",
+		},
+		{
+			"missing eol",
+			[]byte("Testing: val"),
+			"EOF",
+		},
 		{
 			"r without n",
 			[]byte("Testing: val\rTesting: val\r\n"),