diff --git a/tests/Phinx/Db/Adapter/PostgresAdapterTest.php b/tests/Phinx/Db/Adapter/PostgresAdapterTest.php
index 65a8e3b6c..5c5f698b6 100644
--- a/tests/Phinx/Db/Adapter/PostgresAdapterTest.php
+++ b/tests/Phinx/Db/Adapter/PostgresAdapterTest.php
@@ -2462,12 +2462,12 @@ public function testDumpCreateTable()
             ->save();
 
         if ($this->usingPostgres10()) {
-            $expectedOutput = 'CREATE TABLE "public"."table1" ("id" INTEGER NOT NULL GENERATED BY DEFAULT AS IDENTITY, "column1" CHARACTER VARYING (255) ' .
-                'NULL, "column2" INTEGER NULL, "column3" CHARACTER VARYING (255) NOT NULL  DEFAULT \'test\', CONSTRAINT ' .
+            $expectedOutput = 'CREATE TABLE "public"."table1" ("id" INTEGER NOT NULL GENERATED BY DEFAULT AS IDENTITY, "column1" CHARACTER VARYING ' .
+                'NULL, "column2" INTEGER NULL, "column3" CHARACTER VARYING NOT NULL  DEFAULT \'test\', CONSTRAINT ' .
                 '"table1_pkey" PRIMARY KEY ("id"));';
         } else {
-            $expectedOutput = 'CREATE TABLE "public"."table1" ("id" SERIAL NOT NULL, "column1" CHARACTER VARYING (255) ' .
-                'NULL, "column2" INTEGER NULL, "column3" CHARACTER VARYING (255) NOT NULL  DEFAULT \'test\', CONSTRAINT ' .
+            $expectedOutput = 'CREATE TABLE "public"."table1" ("id" SERIAL NOT NULL, "column1" CHARACTER VARYING ' .
+                'NULL, "column2" INTEGER NULL, "column3" CHARACTER VARYING NOT NULL  DEFAULT \'test\', CONSTRAINT ' .
                 '"table1_pkey" PRIMARY KEY ("id"));';
         }
         $actualOutput = $consoleOutput->fetch();
@@ -2494,12 +2494,12 @@ public function testDumpCreateTableWithSchema()
             ->save();
 
         if ($this->usingPostgres10()) {
-            $expectedOutput = 'CREATE TABLE "schema1"."table1" ("id" INTEGER NOT NULL GENERATED BY DEFAULT AS IDENTITY, "column1" CHARACTER VARYING (255) ' .
-                'NULL, "column2" INTEGER NULL, "column3" CHARACTER VARYING (255) NOT NULL  DEFAULT \'test\', CONSTRAINT ' .
+            $expectedOutput = 'CREATE TABLE "schema1"."table1" ("id" INTEGER NOT NULL GENERATED BY DEFAULT AS IDENTITY, "column1" CHARACTER VARYING ' .
+                'NULL, "column2" INTEGER NULL, "column3" CHARACTER VARYING NOT NULL  DEFAULT \'test\', CONSTRAINT ' .
                 '"table1_pkey" PRIMARY KEY ("id"));';
         } else {
-            $expectedOutput = 'CREATE TABLE "schema1"."table1" ("id" SERIAL NOT NULL, "column1" CHARACTER VARYING (255) ' .
-                'NULL, "column2" INTEGER NULL, "column3" CHARACTER VARYING (255) NOT NULL  DEFAULT \'test\', CONSTRAINT ' .
+            $expectedOutput = 'CREATE TABLE "schema1"."table1" ("id" SERIAL NOT NULL, "column1" CHARACTER VARYING ' .
+                'NULL, "column2" INTEGER NULL, "column3" CHARACTER VARYING NOT NULL  DEFAULT \'test\', CONSTRAINT ' .
                 '"table1_pkey" PRIMARY KEY ("id"));';
         }
         $actualOutput = $consoleOutput->fetch();
@@ -2639,13 +2639,13 @@ public function testDumpCreateTableAndThenInsert()
         ])->save();
 
         $expectedOutput = <<<'OUTPUT'
-CREATE TABLE "schema1"."table1" ("column1" CHARACTER VARYING (255) NOT NULL, "column2" INTEGER NULL, CONSTRAINT "table1_pkey" PRIMARY KEY ("column1"));
+CREATE TABLE "schema1"."table1" ("column1" CHARACTER VARYING NOT NULL, "column2" INTEGER NULL, CONSTRAINT "table1_pkey" PRIMARY KEY ("column1"));
 INSERT INTO "schema1"."table1" ("column1", "column2") OVERRIDING SYSTEM VALUE VALUES ('id1', 1);
 OUTPUT;
 
         if (!$this->usingPostgres10()) {
             $expectedOutput = <<<'OUTPUT'
-CREATE TABLE "schema1"."table1" ("column1" CHARACTER VARYING (255) NOT NULL, "column2" INTEGER NULL, CONSTRAINT "table1_pkey" PRIMARY KEY ("column1"));
+CREATE TABLE "schema1"."table1" ("column1" CHARACTER VARYING NOT NULL, "column2" INTEGER NULL, CONSTRAINT "table1_pkey" PRIMARY KEY ("column1"));
 INSERT INTO "schema1"."table1" ("column1", "column2") VALUES ('id1', 1);
 OUTPUT;
         }