svoid test_parseFragmentExpressionToFunctionCall() {
  assertEqualsVerbose(FunctionCall("hasWord", SymVar("$x")),
    parseFragmentExpressionToFunctionCall(
      formatWithFragmentsAndDollarSymVars("hasWord($x)")));
  assertEqualsVerbose(FunctionCall("ewic_notSame", SymVar("$x"), "zimmer"),
    parseFragmentExpressionToFunctionCall(
      formatWithFragmentsAndDollarSymVars("ewic_notSame($x, *)", "zimmer")));
}