[Analysis API] Add test infrastructure for code fragments

Now, Analysis API tests can define modules with code fragments.
The preceding module will be used as a context module.

analysis/analysis-api-fe10/tests/org/jetbrains/kotlin/analysis/api/fe10/test/configurator/AnalysisApiFe10TestConfiguratorFactory.kt

@@ -29,11 +29,16 @@ object AnalysisApiFe10TestConfiguratorFactory : AnalysisApiTestConfiguratorFacto
             data.analysisSessionMode != AnalysisSessionMode.Normal -> false
             data.analysisApiMode != AnalysisApiMode.Ide -> false
             else -> when (data.moduleKind) {
-                TestModuleKind.Source -> true
+                TestModuleKind.Source -> {
+                    true
+                }
+
                 TestModuleKind.ScriptSource,
                 TestModuleKind.LibraryBinary,
                 TestModuleKind.LibrarySource,
-                -> false
+                TestModuleKind.CodeFragment -> {
+                    false
+                }
             }
         }
     }