Merge pull request #10317 from Jukie/redshift-refactor-randomString

Refactor: Use acctest.RandStringFromCharSet() instead of randomString() in redshift tests

Author: bflad

aws/resource_aws_redshift_parameter_group_test.go

@@ -185,7 +185,7 @@ func TestResourceAWSRedshiftParameterGroupNameValidation(t *testing.T) {
 			ErrCount: 1,
 		},
 		{
-			Value:    randomString(256),
+			Value:    acctest.RandStringFromCharSet(256, acctest.CharSetAlpha),
 			ErrCount: 1,
 		},
 	}

aws/resource_aws_redshift_security_group_test.go

@@ -295,7 +295,7 @@ func TestResourceAWSRedshiftSecurityGroupNameValidation(t *testing.T) {
 			ErrCount: 1,
 		},
 		{
-			Value:    randomString(256),
+			Value:    acctest.RandStringFromCharSet(256, acctest.CharSetAlpha),
 			ErrCount: 1,
 		},
 	}

aws/resource_aws_redshift_subnet_group_test.go

@@ -184,7 +184,7 @@ func TestResourceAWSRedshiftSubnetGroupNameValidation(t *testing.T) {
 			ErrCount: 1,
 		},
 		{
-			Value:    randomString(256),
+			Value:    acctest.RandStringFromCharSet(256, acctest.CharSetAlpha),
 			ErrCount: 1,
 		},
 	}