test: update tests for code generator

packages/safe-ds-lang/tests/resources/generation/declarations/parameter with python name/input.sdstest

@@ -1,7 +1,7 @@
 package tests.generator.parameterWithPythonName
 
-@Pure fun f1(param: (a: Int, b: Int, c: Int) -> r: Int)
-@Pure fun f2(param: (a: Int, b: Int, c: Int) -> ())
+@Pure fun f1(@Pure param: (a: Int, b: Int, c: Int) -> r: Int)
+@Pure fun f2(@Pure param: (a: Int, b: Int, c: Int) -> ())
 
 segment test(param1: Int, @PythonName("param_2") param2: Int, @PythonName("param_3") param3: Int = 0) {
     f1((a: Int, b: Int, c: Int = 0) -> 1);

packages/safe-ds-lang/tests/resources/generation/expressions/block lambda/input.sdstest

@@ -1,7 +1,7 @@
 package tests.generator.blockLambda
 
-@Pure fun f1(param: (a: Int, b: Int) -> r: Int)
-@Pure fun f2(param: () -> ())
+@Pure fun f1(@Pure param: (a: Int, b: Int) -> r: Int)
+@Pure fun f2(@Pure param: () -> ())
 
 @Pure fun g() -> a: Int
 

packages/safe-ds-lang/tests/resources/generation/expressions/expression lambda/input.sdstest

@@ -1,6 +1,6 @@
 package tests.generator.expressionLambda
 
-@Pure fun f(param: (a: Int, b: Int) -> r: Int)
+@Pure fun f(@Pure param: (a: Int, b: Int) -> r: Int)
 
 pipeline test {
     f((a, b = 2) -> 1);

packages/safe-ds-lang/tests/resources/generation/statements/assignment/input.sdstest

@@ -1,7 +1,7 @@
 package tests.generator.assignment
 
 @Pure fun f1(param: Any?)
-@Pure fun f2(param: () -> r: Int?)
+@Pure fun f2(@Pure param: () -> r: Int?)
 
 @Pure fun g() -> (a: Int, b: Int, c: Int)
 

packages/safe-ds-lang/tests/resources/generation/statements/expression statement/input.sdstest

@@ -1,6 +1,6 @@
 package tests.generator.expressionStatement
 
-@Pure fun f(param: () -> ())
+@Pure fun f(@Pure param: () -> ())
 
 @Pure fun g() -> result: Int