fix validation for full tables

tests/schema_validation.lua

@@ -1,4 +1,4 @@
-TestConfigSchemaValidator = {}
+TestSchemaValidator = {}
 
 local config = require('config')
 
@@ -25,7 +25,7 @@ function pprint(t, ident)
     end
 end
 
-function TestConfigSchemaValidator:testBasicFields()
+function TestSchemaValidator:testBasicFields()
     local errors = config.validateSchema({a={type='string'}}, {a='test'})
     lu.assertIs(len(errors), 0)
     local errors = config.validateSchema({a={type='number'}}, {a=123})
@@ -34,10 +34,29 @@ function TestConfigSchemaValidator:testBasicFields()
     lu.assertIs(len(errors), 1)
 end
 
-function TestConfigSchemaValidator:testList()
+function TestSchemaValidator:testList()
     local errors = config.validateSchema({a={type='list', schema={type='number'}}}, {a={1,2,3}})
     lu.assertIs(len(errors), 0)
 
     local errors = config.validateSchema({a={type='list', schema={type='number'}}}, {a={1,2,3,'asd'}})
     lu.assertIs(len(errors), 1)
 end
+
+function TestSchemaValidator:testTable()
+    local errors = config.validateSchema(
+        {
+            a={
+                type='table',
+                schema={
+                    b={
+                        type='number'
+                    }
+                }
+            }
+        },
+        {a=
+            {b=2}
+        }
+    )
+    lu.assertIs(len(errors), 0)
+end