Add missing features to privates tests

src/class-elements/rs-private-getter.case

@@ -50,7 +50,7 @@ info: |
   properties "Other_ID_Start" and "Other_ID_Continue".
 
 template: productions
-features: [class-methods-private]
+features: [class-methods-private, class-fields-private]
 ---*/
 
 //- elements

src/class-elements/rs-private-method-alt.case

@@ -49,7 +49,7 @@ info: |
   properties "Other_ID_Start" and "Other_ID_Continue".
 
 template: productions
-features: [class-methods-private]
+features: [class-methods-private, class-fields-private]
 ---*/
 
 //- elements

src/class-elements/rs-private-method.case

@@ -49,7 +49,7 @@ info: |
   properties "Other_ID_Start" and "Other_ID_Continue".
 
 template: productions
-features: [class-methods-private]
+features: [class-methods-private, class-fields-private]
 ---*/
 
 //- elements

src/class-elements/rs-private-setter-alt.case

@@ -49,7 +49,7 @@ info: |
   properties "Other_ID_Start" and "Other_ID_Continue".
 
 template: productions
-features: [class-methods-private]
+features: [class-methods-private, class-fields-private]
 ---*/
 
 //- elements

src/class-elements/rs-private-setter.case

@@ -49,7 +49,7 @@ info: |
   properties "Other_ID_Start" and "Other_ID_Continue".
 
 template: productions
-features: [class-methods-private]
+features: [class-methods-private, class-fields-private]
 ---*/
 
 //- elements