Revert "chore(test): Skip GRE tunnel tests"

This reverts commit 7278846.

These tests are handled in a separate test job, apart from our normal
acceptance test flows. Fix was to remove them from our regular acceptance
tests.

Fix landed in: #5742

Author: mgirouard

internal/services/magic_wan_gre_tunnel/resource_test.go

@@ -17,7 +17,6 @@ import (
 )
 
 func TestAccCloudflareGRETunnelExists(t *testing.T) {
-	t.Skip(`FIXME: "New config failed checkers: Configuration Checking Failure List: Checking GRE tunnel endpoints are unique failed: Duplicate Tunnels: Duplicate GRE Tunnel: Namespace[conduit_12946570], GRE[nbsiytlpnc]: RemoteIP: 203.0.113.1 / LocalIP 162.159.73.109; Checking GRE subnets overlap failed: invalid tunnel configuration: customer conduit_12946570 has overlapping tunnel addrs: [{10.213.0.9 10.213.0.8 fffffffe} {10.213.0.9 10.213.0.8 fffffffe}]"`)
 	rnd := utils.GenerateRandomResourceName()
 	name := fmt.Sprintf("cloudflare_magic_wan_gre_tunnel.%s", rnd)
 	accountID := os.Getenv("CLOUDFLARE_ACCOUNT_ID")
@@ -90,7 +89,6 @@ func testAccCheckCloudflareGRETunnelExists(n string, tunnel *cloudflare.MagicTra
 }
 
 func TestAccCloudflareGRETunnelUpdateDescription(t *testing.T) {
-	t.Skip(`FIXME: "New config failed checkers: Configuration Checking Failure List: Checking GRE tunnel endpoints are unique failed: Duplicate Tunnels: Duplicate GRE Tunnel: Namespace[conduit_12946570], GRE[nbsiytlpnc]: RemoteIP: 203.0.113.1 / LocalIP 162.159.73.109; Checking GRE subnets overlap failed: invalid tunnel configuration: customer conduit_12946570 has overlapping tunnel addrs: [{10.213.0.9 10.213.0.8 fffffffe} {10.213.0.9 10.213.0.8 fffffffe}]"`)
 	rnd := utils.GenerateRandomResourceName()
 	name := fmt.Sprintf("cloudflare_magic_wan_gre_tunnel.%s", rnd)
 	accountID := os.Getenv("CLOUDFLARE_ACCOUNT_ID")
@@ -121,7 +119,6 @@ func TestAccCloudflareGRETunnelUpdateDescription(t *testing.T) {
 }
 
 func TestAccCloudflareGRETunnelUpdateMulti(t *testing.T) {
-	t.Skip(`FIXME: "New config failed checkers: Configuration Checking Failure List: Checking GRE tunnel endpoints are unique failed: Duplicate Tunnels: Duplicate GRE Tunnel: Namespace[conduit_12946570], GRE[nbsiytlpnc]: RemoteIP: 203.0.113.1 / LocalIP 162.159.73.109; Checking GRE subnets overlap failed: invalid tunnel configuration: customer conduit_12946570 has overlapping tunnel addrs: [{10.213.0.9 10.213.0.8 fffffffe} {10.213.0.9 10.213.0.8 fffffffe}]"`)
 	rnd := utils.GenerateRandomResourceName()
 	name := fmt.Sprintf("cloudflare_magic_wan_gre_tunnel.%s", rnd)
 	accountID := os.Getenv("CLOUDFLARE_ACCOUNT_ID")