FIR: Fix test data after making LHS of assignment an expression

KT-54648

compiler/fir/analysis-tests/testData/resolveWithStdlib/assignmentWithWrongLhs.kt

@@ -0,0 +1,10 @@
+fun foo(): Int = 1
+
+fun test() {
+    <!VARIABLE_EXPECTED!>foo()<!> = 1
+    foo().<!VARIABLE_EXPECTED!>toString()<!> = <!ASSIGNMENT_TYPE_MISMATCH!>1<!>
+    (<!VARIABLE_EXPECTED!>if (true) foo() else 1<!>) = <!ASSIGNMENT_TYPE_MISMATCH!>""<!>
+    <!VARIABLE_EXPECTED!>run {
+        print("To string").also { print(it) }
+    }<!> = <!ASSIGNMENT_TYPE_MISMATCH!>1<!>
+}