Fix test bugs

Update status code assertions to match 404 => 412 change, fix root
directive in proxy3.t and proxy4.t

Author: fdintino

t/proxy1.t

@@ -92,10 +92,10 @@ qr/\[(warn|error|crit|alert|emerg)\]/
 --- config eval: $::config
 --- request
 PURGE /purge/proxy/passwd
---- error_code: 404
+--- error_code: 412
 --- response_headers
 Content-Type: text/html
---- response_body_like: 404 Not Found
+--- response_body_like: 412 Precondition Failed
 --- timeout: 10
 --- no_error_log eval
 qr/\[(warn|error|crit|alert|emerg)\]/

t/proxy1_vars.t

@@ -94,10 +94,10 @@ qr/\[(warn|error|crit|alert|emerg)\]/
 --- config eval: $::config
 --- request
 PURGE /purge/proxy/passwd
---- error_code: 404
+--- error_code: 412
 --- response_headers
 Content-Type: text/html
---- response_body_like: 404 Not Found
+--- response_body_like: 412 Precondition Failed
 --- timeout: 10
 --- no_error_log eval
 qr/\[(warn|error|crit|alert|emerg)\]/

t/proxy2.t

@@ -124,10 +124,10 @@ qr/\[(warn|error|crit|alert|emerg)\]/
 --- config eval: $::config
 --- request
 PURGE /proxy/passwd
---- error_code: 404
+--- error_code: 412
 --- response_headers
 Content-Type: text/html
---- response_body_like: 404 Not Found
+--- response_body_like: 412 Precondition Failed
 --- timeout: 10
 --- no_error_log eval
 qr/\[(warn|error|crit|alert|emerg)\]/
@@ -190,10 +190,10 @@ qr/\[(warn|error|crit|alert|emerg)\]/
 --- config eval: $::config_allowed
 --- request
 PURGE /proxy/passwd
---- error_code: 404
+--- error_code: 412
 --- response_headers
 Content-Type: text/html
---- response_body_like: 404 Not Found
+--- response_body_like: 412 Precondition Failed
 --- timeout: 10
 --- no_error_log eval
 qr/\[(warn|error|crit|alert|emerg)\]/

t/proxy2_vars.t

@@ -127,10 +127,10 @@ qr/\[(warn|error|crit|alert|emerg)\]/
 --- config eval: $::config
 --- request
 PURGE /proxy/passwd
---- error_code: 404
+--- error_code: 412
 --- response_headers
 Content-Type: text/html
---- response_body_like: 404 Not Found
+--- response_body_like: 412 Precondition Failed
 --- timeout: 10
 --- no_error_log eval
 qr/\[(warn|error|crit|alert|emerg)\]/
@@ -193,10 +193,10 @@ qr/\[(warn|error|crit|alert|emerg)\]/
 --- config eval: $::config_allowed
 --- request
 PURGE /proxy/passwd
---- error_code: 404
+--- error_code: 412
 --- response_headers
 Content-Type: text/html
---- response_body_like: 404 Not Found
+--- response_body_like: 412 Precondition Failed
 --- timeout: 10
 --- no_error_log eval
 qr/\[(warn|error|crit|alert|emerg)\]/

t/proxy3.t

@@ -25,7 +25,7 @@ our $config = <<'_EOC_';
 
 
     location = /etc/passwd {
-        root               /var/www/html;
+        root               /;
     }
 _EOC_
 

t/proxy4.t

@@ -25,7 +25,7 @@ our $config = <<'_EOC_';
 
 
     location = /etc/passwd {
-        root               /var/www/html;
+        root               /;
     }
 _EOC_