[Tests] Update test data with error suppression warnings

#KT-61129 Fixed

compiler/testData/diagnostics/testsWithStdLib/coroutines/inference/elvisOperatorAgainstFlexibleType.fir.kt

@@ -0,0 +1,19 @@
+// !DIAGNOSTICS: -UNUSED_VARIABLE -UNUSED_PARAMETER
+
+// FILE: Foo.java
+
+public class Foo {
+    public static <K, V> void create(java.util.Map<? extends K, ? extends V> m) { return null; }
+}
+
+// FILE: test.kt
+
+fun test(properties: Map<String, String>, nullableProperties: Map<String, String>?) {
+    val f1 = Foo.create(select1(properties, myEmptyMap()))
+    val f2 = Foo.create(nullableProperties ?: myEmptyMap())
+}
+
+fun <T, R> myEmptyMap(): Map<T, R> = TODO()
+
+@Suppress(<!ERROR_SUPPRESSION!>"INVISIBLE_REFERENCE"<!>, "INVISIBLE_MEMBER", "HIDDEN")
+fun <S> select1(x: S, y: S): @kotlin.internal.Exact S = y

compiler/testData/diagnostics/testsWithStdLib/coroutines/inference/elvisOperatorAgainstFlexibleType.kt

@@ -1,4 +1,3 @@
-// FIR_IDENTICAL
 // !DIAGNOSTICS: -UNUSED_VARIABLE -UNUSED_PARAMETER
 
 // FILE: Foo.java