libyang UPDATE add prefix for common and config files

To avoid include conflicts.
diff --git a/tests/utests/schema/test_printer_tree.c b/tests/utests/schema/test_printer_tree.c
index 40fb15f..5438c61 100644
--- a/tests/utests/schema/test_printer_tree.c
+++ b/tests/utests/schema/test_printer_tree.c
@@ -14,8 +14,8 @@
 #define _UTEST_MAIN_
 #include "utests.h"
 
-#include "common.h"
 #include "context.h"
+#include "ly_common.h"
 #include "out.h"
 #include "printer_schema.h"
 #include "tree_schema.h"
diff --git a/tests/utests/schema/test_tree_schema_compile.c b/tests/utests/schema/test_tree_schema_compile.c
index 5ddafaa..4507411 100644
--- a/tests/utests/schema/test_tree_schema_compile.c
+++ b/tests/utests/schema/test_tree_schema_compile.c
@@ -15,8 +15,8 @@
 #define _UTEST_MAIN_
 #include "utests.h"
 
-#include "common.h"
 #include "in.h"
+#include "ly_common.h"
 #include "parser_internal.h"
 #include "path.h"
 #include "plugins_types.h"
diff --git a/tests/utests/schema/test_yang.c b/tests/utests/schema/test_yang.c
index 6d1c2ae..01ebbbd 100644
--- a/tests/utests/schema/test_yang.c
+++ b/tests/utests/schema/test_yang.c
@@ -18,8 +18,8 @@
 #include <stdio.h>
 #include <string.h>
 
-#include "common.h"
 #include "in_internal.h"
+#include "ly_common.h"
 #include "parser_internal.h"
 #include "schema_compile.h"
 #include "tree_edit.h"
diff --git a/tests/utests/schema/test_yin.c b/tests/utests/schema/test_yin.c
index a531b64..13b32b3 100644
--- a/tests/utests/schema/test_yin.c
+++ b/tests/utests/schema/test_yin.c
@@ -19,8 +19,8 @@
 #include <stdio.h>
 #include <string.h>
 
-#include "common.h"
 #include "in.h"
+#include "ly_common.h"
 #include "parser_internal.h"
 #include "schema_compile.h"
 #include "tree.h"