[FIR-TEST] Move analysis tests to separate module

compiler/fir/analysis-tests/testData/enhancement/jsr305/Simple.java

@@ -0,0 +1,17 @@
+// FOREIGN_ANNOTATIONS
+import javax.annotation.*;
+
+public class Simple {
+    @Nullable public String field = null;
+
+    @Nullable
+    public String foo(@Nonnull String x, @CheckForNull CharSequence y) {
+        return "";
+    }
+
+    @Nonnull
+    public String bar() {
+        return "";
+    }
+
+}