Expand IsEnterprise test cases

Adding API hosts to TestIsEnterprise to ensure that normalized hosts work as expected.

Author: andyfeller

pkg/auth/auth_test.go

@@ -237,11 +237,21 @@ func TestIsEnterprise(t *testing.T) {
 			host:    "github.com",
 			wantOut: false,
 		},
+		{
+			name:    "github API",
+			host:    "api.github.com",
+			wantOut: false,
+		},
 		{
 			name:    "localhost",
 			host:    "github.localhost",
 			wantOut: false,
 		},
+		{
+			name:    "localhost API",
+			host:    "api.github.localhost",
+			wantOut: false,
+		},
 		{
 			name:    "enterprise",
 			host:    "mygithub.com",
@@ -252,6 +262,11 @@ func TestIsEnterprise(t *testing.T) {
 			host:    "tenant.ghe.com",
 			wantOut: false,
 		},
+		{
+			name:    "tenant API",
+			host:    "api.tenant.ghe.com",
+			wantOut: false,
+		},
 	}
 
 	for _, tt := range tests {