[FIR-TEST] Move analysis tests to separate module

compiler/fir/analysis-tests/testData/resolve/diagnostics/infixFunctions.kt

@@ -0,0 +1,13 @@
+infix fun Int.good(x: Int) {}
+
+<!INAPPLICABLE_INFIX_MODIFIER!>infix fun Int.foo(x: Int, y: Int) {}<!>
+
+<!INAPPLICABLE_INFIX_MODIFIER!>infix fun Int.bar() {}<!>
+
+<!INAPPLICABLE_INFIX_MODIFIER!>infix fun baz(x: Int, y: Int) {}<!>
+
+infix class A
+
+infix typealias B = A
+
+infix val x = 1

compiler/fir/analysis-tests/testData/resolve/diagnostics/infixFunctions.txt

@@ -0,0 +1,18 @@
+FILE: infixFunctions.kt
+    public final infix fun R|kotlin/Int|.good(x: R|kotlin/Int|): R|kotlin/Unit| {
+    }
+    public final infix fun R|kotlin/Int|.foo(x: R|kotlin/Int|, y: R|kotlin/Int|): R|kotlin/Unit| {
+    }
+    public final infix fun R|kotlin/Int|.bar(): R|kotlin/Unit| {
+    }
+    public final infix fun baz(x: R|kotlin/Int|, y: R|kotlin/Int|): R|kotlin/Unit| {
+    }
+    public final class A : R|kotlin/Any| {
+        public constructor(): R|A| {
+            super<R|kotlin/Any|>()
+        }
+
+    }
+    public final typealias B = R|A|
+    public final val x: R|kotlin/Int| = Int(1)
+        public get(): R|kotlin/Int|