[tests] update misc tests for diagnostics

tests/misc/projects/Issue11020/compile.hxml

@@ -1,4 +1,4 @@
 -cp src
 -main Main
 --interp
---display "Main.hx@0@diagnostics"
+--display '{"jsonrpc":"2.0","id":0,"method":"display/diagnostics","params":{"file":"Main.hx"}}'

tests/misc/projects/Issue6794/compile.hxml

@@ -1,2 +1,2 @@
 --main Main
---display "Main.hx@0@diagnostics"
+--display '{"jsonrpc":"2.0","id":0,"method":"display/diagnostics","params":{"file":"Main.hx"}}'

tests/misc/projects/Issue9676/compile1D.hxml

@@ -1,2 +1,2 @@
 --main MainField
---display "MainField.hx@0@diagnostics"
+--display '{"jsonrpc":"2.0","id":0,"method":"display/diagnostics","params":{"file":"MainField.hx"}}'

tests/misc/projects/Issue9676/compile2D.hxml

@@ -1,2 +1,2 @@
 --main MainExpr
---display "MainExpr.hx@0@diagnostics"
+--display '{"jsonrpc":"2.0","id":0,"method":"display/diagnostics","params":{"file":"MainExpr.hx"}}'

tests/misc/projects/Issue9676/compile3D.hxml

@@ -1,2 +1,2 @@
 --main MainMacro
---display "MainMacro.hx@0@diagnostics"
+--display '{"jsonrpc":"2.0","id":0,"method":"display/diagnostics","params":{"file":"MainMacro.hx"}}'