[JS IR] Fix JS code diagnostics tests according to new KLIB checks

^KT-62425

compiler/testData/diagnostics/testsWithJsStdLibAndBackendCompilation/jsCode/error.fir.kt

@@ -1,25 +1,30 @@
+// FIR_DIFFERENCE
+// The diagnostic cannot be implemented with the FIR frontend checker because it requires constant evaluation over FIR.
+// The diagnostic is implemented as a klib check over IR.
+
+// ERROR_POLICY: SEMANTIC
 val code = """
     var s = "hello"
     + );
 """
 
 fun main(): Unit {
-    js("var = 10;")
+    js(<!JSCODE_ERROR!>"var = 10;"<!>)
 
-    js("""var = 10;""")
+    js(<!JSCODE_ERROR!>"""var = 10;"""<!>)
 
-    js("""var
+    js(<!JSCODE_ERROR!>"""var
       = 777;
-    """)
+    """<!>)
 
-    js("""
+    js(<!JSCODE_ERROR!>"""
     var = 777;
-    """)
+    """<!>)
 
-    js("var " + " = " + "10;")
+    js(<!JSCODE_ERROR!>"var " + " = " + "10;"<!>)
 
     val n = 10
-    js("var = $n;")
+    js(<!JSCODE_CAN_NOT_VERIFY_JAVASCRIPT!>"var = $<!JSCODE_ARGUMENT_NON_CONST_EXPRESSION!>n<!>;"<!>)
 
-    js(code)
+    js(<!JSCODE_ARGUMENT_NON_CONST_EXPRESSION, JSCODE_CAN_NOT_VERIFY_JAVASCRIPT!>code<!>)
 }