Update the tests for new typescript server

Author: krassowski

atest/01_Editor.robot

@@ -61,7 +61,7 @@ SCSS
 
 TSX
     ${def} =    Set Variable    xpath:(//span[contains(@class, 'cm-tag')][contains(text(), 'HelloWorld')])[last()]
-    Editor Shows Features for Language    TSX    example.tsx    Diagnostics=Cannot find module 'react'    Jump to Definition=${def}    Rename=${def}
+    Editor Shows Features for Language    TSX    example.tsx    Diagnostics='hello' is declared but its value is never read.    Jump to Definition=${def}    Rename=${def}
 
 TypeScript
     ${def} =    Set Variable    xpath:(//span[contains(@class, 'cm-variable')][contains(text(), 'inc')])[last()]

atest/05_Features/Hover.robot

@@ -42,7 +42,7 @@ Hover works in foreign code (javascript)
     # also for multiple cells of the same document
     Enter Cell Editor    3
     Trigger Tooltip    Math
-    Element Should Contain    ${HOVER_BOX}    const Math: Math
+    Element Should Contain    ${HOVER_BOX}    Math: Math
 
 *** Keywords ***
 Last Occurrence

atest/examples/example.tsx

@@ -7,5 +7,3 @@ export class HelloWorld extends React.Component<any, any> {
 }
 
 const hello = <HelloWorld/>;
-
-;hello;