Fix tests

Author: KodaiD

core/src/integration-test/java/com/scalar/db/storage/jdbc/JdbcAdminImportTableIntegrationTest.java

@@ -121,6 +121,7 @@ public void importTable_ForUnsupportedDatabase_ShouldThrowUnsupportedOperationEx
       alterColumnType_SqlServer_AlterColumnTypeFromEachExistingDataTypeToText_ForImportedTable_ShouldAlterColumnTypesCorrectly()
           throws Exception {
     // Arrange
+    admin.createNamespace(getNamespace(), getCreationOptions());
     testDataList.addAll(createExistingDatabaseWithAllDataTypes());
     for (TestData testData : testDataList) {
       if (testData.isImportableTable()) {
@@ -169,6 +170,7 @@ public void importTable_ForUnsupportedDatabase_ShouldThrowUnsupportedOperationEx
       alterColumnType_Db2_AlterColumnTypeFromEachExistingDataTypeToText_ForImportedTable_ShouldAlterColumnTypesCorrectly()
           throws Exception {
     // Arrange
+    admin.createNamespace(getNamespace(), getCreationOptions());
     testDataList.addAll(createExistingDatabaseWithAllDataTypes());
     for (TestData testData : testDataList) {
       if (testData.isImportableTable()) {
@@ -224,6 +226,7 @@ public void alterColumnType_WideningConversion_ForImportedTable_ShouldAlterPrope
   public void alterColumnType_Oracle_WideningConversion_ForImportedTable_ShouldAlterProperly()
       throws Exception {
     // Arrange
+    admin.createNamespace(getNamespace(), getCreationOptions());
     testDataList.addAll(createExistingDatabaseWithAllDataTypes());
     for (TestData testData : testDataList) {
       if (testData.isImportableTable()) {

integration-test/src/main/java/com/scalar/db/api/DistributedStorageAdminImportTableIntegrationTestBase.java

@@ -143,6 +143,7 @@ public void importTable_ForUnsupportedDatabase_ShouldThrowUnsupportedOperationEx
       alterColumnType_AlterColumnTypeFromEachExistingDataTypeToText_ForImportedTable_ShouldAlterColumnTypesCorrectly()
           throws Exception {
     // Arrange
+    admin.createNamespace(getNamespace(), getCreationOptions());
     testDataList.addAll(createExistingDatabaseWithAllDataTypes());
     for (TestData testData : testDataList) {
       if (testData.isImportableTable()) {
@@ -182,6 +183,7 @@ public void importTable_ForUnsupportedDatabase_ShouldThrowUnsupportedOperationEx
   public void alterColumnType_WideningConversion_ForImportedTable_ShouldAlterProperly()
       throws Exception {
     // Arrange
+    admin.createNamespace(getNamespace(), getCreationOptions());
     testDataList.addAll(createExistingDatabaseWithAllDataTypes());
     for (TestData testData : testDataList) {
       if (testData.isImportableTable()) {