diff --git a/usvm-dataflow-ts/src/main/resources/logback.xml b/usvm-dataflow-ts/src/main/resources/logback.xml
index 978c97078..656c39317 100644
--- a/usvm-dataflow-ts/src/main/resources/logback.xml
+++ b/usvm-dataflow-ts/src/main/resources/logback.xml
@@ -1,5 +1,4 @@
 <configuration>
-
     <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
         <encoder>
             <pattern>%highlight([%level]) %replace(%c{0}){'(\$Companion)?\$logger\$1',''} - %msg%n</pattern>
@@ -8,18 +7,13 @@
 
     <appender name="FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
         <file>logs/app.log</file>
-
-        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
-            <fileNamePattern>logs/app.%d{yyyy-MM-dd_HH}.log</fileNamePattern>
-            <maxHistory>30</maxHistory>
-        </rollingPolicy>
-
         <encoder>
             <pattern>%highlight([%level]) %replace(%c{0}){'(\$Companion)?\$logger\$1',''} - %msg%n</pattern>
         </encoder>
     </appender>
 
-    <root level="info">
+    <root level="error">
+        <appender-ref ref="STDOUT" />
         <appender-ref ref="FILE" />
     </root>
 </configuration>
diff --git a/usvm-dataflow-ts/src/test/kotlin/org/usvm/dataflow/ts/test/EtsProjectAnalysisTest.kt b/usvm-dataflow-ts/src/test/kotlin/org/usvm/dataflow/ts/test/EtsProjectAnalysisTest.kt
index eb98f41b0..2074ea6a5 100644
--- a/usvm-dataflow-ts/src/test/kotlin/org/usvm/dataflow/ts/test/EtsProjectAnalysisTest.kt
+++ b/usvm-dataflow-ts/src/test/kotlin/org/usvm/dataflow/ts/test/EtsProjectAnalysisTest.kt
@@ -69,7 +69,7 @@ class EtsProjectAnalysisTest {
             }
         }
 
-        val rules = loadRules("config1.json")
+        val rules by lazy { loadRules("config1.json") }
     }
 
     private fun projectAvailable(): Boolean {
diff --git a/usvm-dataflow-ts/src/test/kotlin/org/usvm/dataflow/ts/test/EtsTypeInferenceTest.kt b/usvm-dataflow-ts/src/test/kotlin/org/usvm/dataflow/ts/test/EtsTypeInferenceTest.kt
index aab8b7684..a063850c1 100644
--- a/usvm-dataflow-ts/src/test/kotlin/org/usvm/dataflow/ts/test/EtsTypeInferenceTest.kt
+++ b/usvm-dataflow-ts/src/test/kotlin/org/usvm/dataflow/ts/test/EtsTypeInferenceTest.kt
@@ -326,6 +326,14 @@ class EtsTypeInferenceTest {
         }
     }
 
+    // TODO: support these complex tests
+    private val disabledTests = setOf(
+        "CaseAssignFieldToSelf",
+        "CaseLoop",
+        "CaseNew",
+        "CaseRecursion",
+    )
+
     @TestFactory
     fun `type inference on testcases`() = testFactory {
         val file = load("/ts/testcases.ts")
@@ -335,6 +343,7 @@ class EtsTypeInferenceTest {
         val allCases = project.projectClasses.filter { it.name.startsWith("Case") }
 
         for (cls in allCases) {
+            if (cls.name in disabledTests) continue
             test(name = cls.name) {
                 logger.info { "Analyzing testcase: ${cls.name}" }
 
@@ -369,7 +378,7 @@ class EtsTypeInferenceTest {
                 logger.info { "Found entrypoint: ${entrypoint.signature}" }
 
                 val manager = TypeInferenceManager(EtsTraits(), graph)
-                val result = manager.analyze(listOf(entrypoint))
+                val result = manager.analyze(listOf(entrypoint), doAddKnownTypes = false)
 
                 val inferredTypes = result.inferredTypes[inferMethod]
                     ?: error("No inferred types for method ${inferMethod.enclosingClass.name}::${inferMethod.name}")
diff --git a/usvm-dataflow-ts/src/test/resources/logback.xml b/usvm-dataflow-ts/src/test/resources/logback.xml
index 06f188e9d..a9f1e0252 100644
--- a/usvm-dataflow-ts/src/test/resources/logback.xml
+++ b/usvm-dataflow-ts/src/test/resources/logback.xml
@@ -5,21 +5,15 @@
         </encoder>
     </appender>
 
-    <property name="LOG_FILE" value="app" />
-    <property name="LOG_DIR" value="logs" />
     <appender name="FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
-        <file>${LOG_DIR}/${LOG_FILE}</file>
-        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
-            <fileNamePattern>${LOG_DIR}/${LOG_FILE}_%d{yyyy-MM-dd_HH-mm-ss}.log</fileNamePattern>
-            <maxHistory>30</maxHistory>
-        </rollingPolicy>
+        <file>logs/app.log</file>
         <encoder>
             <pattern>[%level] %replace(%c{0}){'(\$Companion)?\$logger\$1',''} - %msg%n</pattern>
         </encoder>
     </appender>
 
     <root level="info">
-        <!-- <appender-ref ref="STDOUT"/> -->
+        <appender-ref ref="STDOUT"/>
         <appender-ref ref="FILE" />
     </root>
 </configuration>